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Sunscreen for bicycling



 
 
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  #41  
Old August 21st 18, 03:30 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

On 2018-08-21 01:31, Sepp Ruf wrote:
John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:53:02 -0700 (PDT), Frank Krygowski wrote:
On Monday, August 20, 2018 at 3:00:57 PM UTC-4, Joerg wrote:
Since moving to California in the 90's I
also don't seem to get sun burns anymore.

That's odd about your location.


Joerg might be eating more wholesome ketchup than sauerkraut now ...



No, pretzels, _with_ Obatzda. During my last ride here, along with a
Kloster Andechs Hefeweizen Dunkel:

http://beergardensacramento.com/


... or he
had previously paled during each of those UV-less Dutch winters.

Maybe more odd was my experience touring Ireland by bike in the
early 1990s. It was three weeks of the wettest experience in my life.
But the tops of my ears were burned and peeling. And that's back
when I wore a helmet, which I'd think would have shaded my ears.


I still get paid millions by the Irish Tourism Board to casually mention
that I had under 1/3rd of rainy days, less than 1/6th soakingly wet ones.
Admittedly, that was during a statistically "arid" month.


Before emigrating to the US we rented a house in Killaloe (Shannon
River) for a couple of weeks, to see if this would be a country to
retire to. It rained exactly one day out of 14.

Now the Irish Tourism Board will pay me instead :-)


It is called "windburn" see:
https://en.wikipedia.org/wiki/Windburn


If the rain tastes metallic though, it's properly called "windscale."


In the not so good old days in Germany the rain burned when some got
into the eyes. Acid rain. The difference was felt most profoundly when
one lived in Scotland for a while where this never happened.

--
Regards, Joerg

http://www.analogconsultants.com/
Ads
  #42  
Old August 21st 18, 07:22 PM posted to rec.bicycles.tech
John B. Slocomb
external usenet poster
 
Posts: 144
Default Sunscreen for bicycling

On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13, wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7, Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM UTC-7, Joy Beeson
wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC), bob prohaska
wrote:

Does anybody have suggestions for sunscreen to wear while
bicycling?

My cancer doctor said to use zinc sunblock on fresh scars.
(My current scar is under my hatband, so all I use is E-oil and
a white linen do-rag.)

I'm currently using Kroger's knock-off of Neutrogena 70; when
it runs out, I plan to start snitching my spouse's Neutrogena
100, so as to use it up faster.

I used to use a cheaper sunblock on my arms and legs, but when
it ran out, I began to put the same stuff everywhere. I
usually coat only the outside of the calf muscle on my legs,
because that is where I got a brown streak when I could ride
that long. I rub my arms together like a cricket, and put an
extra layer on what sticks out of my sleeves. (In hot weather,
I wear long linen sleeves -- and on my last few rides they got
soaking wet without spitting water on them.) I still have
brown, speckled arms. And there's a patch on the back of my
hand even though I put on another layer of 50-SPF sunscreen
every time I take off my gloves.

The stick sunscreen is running out and I haven't yet found
another that fits into my pocket. I recently realized that I
can put lotion into a lip-salve box -- if I can find one that
isn't identical in every way to the box I carry A&D in.

I used to carry hand cleaner in my tool kit. A&D cleans hands
just fine, and has a lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a grease remover.

-- Joy Beeson joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+. Did a long hard ride
mostly in direct sunlight yesterday and my tan didn't change at
all.


Once you have developed a good tan it won't change much any more.
Sometimes when working in the yard for a few minutes I get carried
away and cut bushes for a couple hours. No sun screen at that time
but the tan doesn't change anymore. Since moving to California in
the 90's I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If there is enough sun my
arms will turn red as if I got a sunburn but they will be brown again
the next day. But with that 100+ there was absolutely NO reaction.


Turning red is critical even if it "heals" in a day. I had that as well
years ago but somehow not anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin, Irish/Scandinavian type. So
he uses SPF100 like you do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent UV damage to the
skin.


Yeah, that's a problem. However, people in countries where the majority
has naturally darker skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of the Caucasians I
know who have developed skin cancer in their later years were outdoors
people that had a good tan for much of their life.


The ones I know or knew :-( ... were mostly light-skinned Caucasians
with a more Nordic ethnic background. They didn't easily develop a tan
but red skin and then blisters. Some of them essentially remained red
all summer. AFAIK that is how the term redneck developed.



Nope :-) A Redneck was originally a term used for a farmer. He
followed a mule around the field all day and the back of his neck got
sunburned.



Sunburned. That's exactly what I said. It got red because the farmer was
of Northern European ancestry and, therefore, his skin burned easily. A
farmer of Southern European, South Asian or African ethnicity could plow
the field all day and not get sunburned.


Not necessarily only Northern European ancestry. Nearly all races will
react to hot sun. When I was at Eniwetok the guy in the next cot, in
the tent we lived in, was a Negro and he got got suprisingly darker
after a time on the island. Japanese, particularly women, will sunburn
and Chinese, and, and, and.
  #43  
Old August 22nd 18, 08:44 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13, wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7, Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM UTC-7, Joy Beeson
wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC), bob prohaska
wrote:

Does anybody have suggestions for sunscreen to wear while
bicycling?

My cancer doctor said to use zinc sunblock on fresh scars.
(My current scar is under my hatband, so all I use is E-oil and
a white linen do-rag.)

I'm currently using Kroger's knock-off of Neutrogena 70; when
it runs out, I plan to start snitching my spouse's Neutrogena
100, so as to use it up faster.

I used to use a cheaper sunblock on my arms and legs, but when
it ran out, I began to put the same stuff everywhere. I
usually coat only the outside of the calf muscle on my legs,
because that is where I got a brown streak when I could ride
that long. I rub my arms together like a cricket, and put an
extra layer on what sticks out of my sleeves. (In hot weather,
I wear long linen sleeves -- and on my last few rides they got
soaking wet without spitting water on them.) I still have
brown, speckled arms. And there's a patch on the back of my
hand even though I put on another layer of 50-SPF sunscreen
every time I take off my gloves.

The stick sunscreen is running out and I haven't yet found
another that fits into my pocket. I recently realized that I
can put lotion into a lip-salve box -- if I can find one that
isn't identical in every way to the box I carry A&D in.

I used to carry hand cleaner in my tool kit. A&D cleans hands
just fine, and has a lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a grease remover.

-- Joy Beeson joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+. Did a long hard ride
mostly in direct sunlight yesterday and my tan didn't change at
all.


Once you have developed a good tan it won't change much any more.
Sometimes when working in the yard for a few minutes I get carried
away and cut bushes for a couple hours. No sun screen at that time
but the tan doesn't change anymore. Since moving to California in
the 90's I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If there is enough sun my
arms will turn red as if I got a sunburn but they will be brown again
the next day. But with that 100+ there was absolutely NO reaction.


Turning red is critical even if it "heals" in a day. I had that as well
years ago but somehow not anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin, Irish/Scandinavian type. So
he uses SPF100 like you do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent UV damage to the
skin.


Yeah, that's a problem. However, people in countries where the majority
has naturally darker skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of the Caucasians I
know who have developed skin cancer in their later years were outdoors
people that had a good tan for much of their life.


The ones I know or knew :-( ... were mostly light-skinned Caucasians
with a more Nordic ethnic background. They didn't easily develop a tan
but red skin and then blisters. Some of them essentially remained red
all summer. AFAIK that is how the term redneck developed.


Nope :-) A Redneck was originally a term used for a farmer. He
followed a mule around the field all day and the back of his neck got
sunburned.



Sunburned. That's exactly what I said. It got red because the farmer was
of Northern European ancestry and, therefore, his skin burned easily. A
farmer of Southern European, South Asian or African ethnicity could plow
the field all day and not get sunburned.


Not necessarily only Northern European ancestry. Nearly all races will
react to hot sun. When I was at Eniwetok the guy in the next cot, in
the tent we lived in, was a Negro and he got got suprisingly darker
after a time on the island. Japanese, particularly women, will sunburn
and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since they have an
intense natural tan the prevalence of skin cancer in, for example,
African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

--
Regards, Joerg

http://www.analogconsultants.com/
  #44  
Old August 23rd 18, 03:03 AM posted to rec.bicycles.tech
John B. Slocomb
external usenet poster
 
Posts: 144
Default Sunscreen for bicycling

On Wed, 22 Aug 2018 12:44:08 -0700, Joerg
wrote:

On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13, wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7, Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM UTC-7, Joy Beeson
wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC), bob prohaska
wrote:

Does anybody have suggestions for sunscreen to wear while
bicycling?

My cancer doctor said to use zinc sunblock on fresh scars.
(My current scar is under my hatband, so all I use is E-oil and
a white linen do-rag.)

I'm currently using Kroger's knock-off of Neutrogena 70; when
it runs out, I plan to start snitching my spouse's Neutrogena
100, so as to use it up faster.

I used to use a cheaper sunblock on my arms and legs, but when
it ran out, I began to put the same stuff everywhere. I
usually coat only the outside of the calf muscle on my legs,
because that is where I got a brown streak when I could ride
that long. I rub my arms together like a cricket, and put an
extra layer on what sticks out of my sleeves. (In hot weather,
I wear long linen sleeves -- and on my last few rides they got
soaking wet without spitting water on them.) I still have
brown, speckled arms. And there's a patch on the back of my
hand even though I put on another layer of 50-SPF sunscreen
every time I take off my gloves.

The stick sunscreen is running out and I haven't yet found
another that fits into my pocket. I recently realized that I
can put lotion into a lip-salve box -- if I can find one that
isn't identical in every way to the box I carry A&D in.

I used to carry hand cleaner in my tool kit. A&D cleans hands
just fine, and has a lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a grease remover.

-- Joy Beeson joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+. Did a long hard ride
mostly in direct sunlight yesterday and my tan didn't change at
all.


Once you have developed a good tan it won't change much any more.
Sometimes when working in the yard for a few minutes I get carried
away and cut bushes for a couple hours. No sun screen at that time
but the tan doesn't change anymore. Since moving to California in
the 90's I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If there is enough sun my
arms will turn red as if I got a sunburn but they will be brown again
the next day. But with that 100+ there was absolutely NO reaction.


Turning red is critical even if it "heals" in a day. I had that as well
years ago but somehow not anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin, Irish/Scandinavian type. So
he uses SPF100 like you do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent UV damage to the
skin.


Yeah, that's a problem. However, people in countries where the majority
has naturally darker skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of the Caucasians I
know who have developed skin cancer in their later years were outdoors
people that had a good tan for much of their life.


The ones I know or knew :-( ... were mostly light-skinned Caucasians
with a more Nordic ethnic background. They didn't easily develop a tan
but red skin and then blisters. Some of them essentially remained red
all summer. AFAIK that is how the term redneck developed.


Nope :-) A Redneck was originally a term used for a farmer. He
followed a mule around the field all day and the back of his neck got
sunburned.


Sunburned. That's exactly what I said. It got red because the farmer was
of Northern European ancestry and, therefore, his skin burned easily. A
farmer of Southern European, South Asian or African ethnicity could plow
the field all day and not get sunburned.


Not necessarily only Northern European ancestry. Nearly all races will
react to hot sun. When I was at Eniwetok the guy in the next cot, in
the tent we lived in, was a Negro and he got got suprisingly darker
after a time on the island. Japanese, particularly women, will sunburn
and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since they have an
intense natural tan the prevalence of skin cancer in, for example,
African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/


True, "but as I said, not necessarily only Northern European ancestry.
Nearly all races will react to hot sun."

You are correct that Negroes get less UV caused cancer, but they do
get it. Just as do other "dusky" races.
  #45  
Old August 24th 18, 07:04 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 1,261
Default Sunscreen for bicycling

On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13, wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7, Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM UTC-7, Joy Beeson
wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC), bob prohaska
wrote:

Does anybody have suggestions for sunscreen to wear while
bicycling?

My cancer doctor said to use zinc sunblock on fresh scars.
(My current scar is under my hatband, so all I use is E-oil and
a white linen do-rag.)

I'm currently using Kroger's knock-off of Neutrogena 70; when
it runs out, I plan to start snitching my spouse's Neutrogena
100, so as to use it up faster.

I used to use a cheaper sunblock on my arms and legs, but when
it ran out, I began to put the same stuff everywhere. I
usually coat only the outside of the calf muscle on my legs,
because that is where I got a brown streak when I could ride
that long. I rub my arms together like a cricket, and put an
extra layer on what sticks out of my sleeves. (In hot weather,
I wear long linen sleeves -- and on my last few rides they got
soaking wet without spitting water on them.) I still have
brown, speckled arms. And there's a patch on the back of my
hand even though I put on another layer of 50-SPF sunscreen
every time I take off my gloves.

The stick sunscreen is running out and I haven't yet found
another that fits into my pocket. I recently realized that I
can put lotion into a lip-salve box -- if I can find one that
isn't identical in every way to the box I carry A&D in.

I used to carry hand cleaner in my tool kit. A&D cleans hands
just fine, and has a lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a grease remover.

-- Joy Beeson joy beeson at comcast dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+. Did a long hard ride
mostly in direct sunlight yesterday and my tan didn't change at
all.


Once you have developed a good tan it won't change much any more.
Sometimes when working in the yard for a few minutes I get carried
away and cut bushes for a couple hours. No sun screen at that time
but the tan doesn't change anymore. Since moving to California in
the 90's I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If there is enough sun my
arms will turn red as if I got a sunburn but they will be brown again
the next day. But with that 100+ there was absolutely NO reaction.


Turning red is critical even if it "heals" in a day. I had that as well
years ago but somehow not anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin, Irish/Scandinavian type. So
he uses SPF100 like you do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent UV damage to the
skin.


Yeah, that's a problem. However, people in countries where the majority
has naturally darker skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of the Caucasians I
know who have developed skin cancer in their later years were outdoors
people that had a good tan for much of their life.


The ones I know or knew :-( ... were mostly light-skinned Caucasians
with a more Nordic ethnic background. They didn't easily develop a tan
but red skin and then blisters. Some of them essentially remained red
all summer. AFAIK that is how the term redneck developed.


Nope :-) A Redneck was originally a term used for a farmer. He
followed a mule around the field all day and the back of his neck got
sunburned.


Sunburned. That's exactly what I said. It got red because the farmer was
of Northern European ancestry and, therefore, his skin burned easily. A
farmer of Southern European, South Asian or African ethnicity could plow
the field all day and not get sunburned.


Not necessarily only Northern European ancestry. Nearly all races will
react to hot sun. When I was at Eniwetok the guy in the next cot, in
the tent we lived in, was a Negro and he got got suprisingly darker
after a time on the island. Japanese, particularly women, will sunburn
and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since they have an
intense natural tan the prevalence of skin cancer in, for example,
African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

--
Regards, Joerg


Not so Joerg, EVERYONE gets sunburned. Just because a black man's skin doesn't show red doesn't mean that he doesn't sunburn. Remember that Homosapiens came from Northern Africa so precisely the same mechanism is at work on everyone. Just because a Chinese farmer is out in the sun all the time to the extent that he has enough melanin to block most of the UVA that he is exposed to in his area doesn't mean that he wouldn't burn to a crisp elsewhere.. This is why Arabs are always totally covered.
  #46  
Old August 24th 18, 07:45 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

On 2018-08-24 11:04, wrote:
On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13,
wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7,
Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM
UTC-7, Joy Beeson wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC),
bob prohaska wrote:

Does anybody have suggestions for
sunscreen to wear while bicycling?

My cancer doctor said to use zinc sunblock
on fresh scars. (My current scar is under
my hatband, so all I use is E-oil and a
white linen do-rag.)

I'm currently using Kroger's knock-off of
Neutrogena 70; when it runs out, I plan to
start snitching my spouse's Neutrogena 100,
so as to use it up faster.

I used to use a cheaper sunblock on my arms
and legs, but when it ran out, I began to
put the same stuff everywhere. I usually
coat only the outside of the calf muscle on
my legs, because that is where I got a
brown streak when I could ride that long.
I rub my arms together like a cricket, and
put an extra layer on what sticks out of my
sleeves. (In hot weather, I wear long
linen sleeves -- and on my last few rides
they got soaking wet without spitting water
on them.) I still have brown, speckled
arms. And there's a patch on the back of
my hand even though I put on another layer
of 50-SPF sunscreen every time I take off
my gloves.

The stick sunscreen is running out and I
haven't yet found another that fits into my
pocket. I recently realized that I can put
lotion into a lip-salve box -- if I can
find one that isn't identical in every way
to the box I carry A&D in.

I used to carry hand cleaner in my tool
kit. A&D cleans hands just fine, and has a
lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a
grease remover.

-- Joy Beeson joy beeson at comcast dot
net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+.
Did a long hard ride mostly in direct
sunlight yesterday and my tan didn't change
at all.


Once you have developed a good tan it won't
change much any more. Sometimes when working in
the yard for a few minutes I get carried away
and cut bushes for a couple hours. No sun
screen at that time but the tan doesn't change
anymore. Since moving to California in the 90's
I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If
there is enough sun my arms will turn red as if I
got a sunburn but they will be brown again the
next day. But with that 100+ there was absolutely
NO reaction.


Turning red is critical even if it "heals" in a
day. I had that as well years ago but somehow not
anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin,
Irish/Scandinavian type. So he uses SPF100 like you
do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent
UV damage to the skin.


Yeah, that's a problem. However, people in countries
where the majority has naturally darker skin fare much
better in terms of skin cancer rates despite a much
higher UV exposu


That is certainly true but on the other hand all of the
Caucasians I know who have developed skin cancer in their
later years were outdoors people that had a good tan for
much of their life.


The ones I know or knew :-( ... were mostly light-skinned
Caucasians with a more Nordic ethnic background. They
didn't easily develop a tan but red skin and then blisters.
Some of them essentially remained red all summer. AFAIK
that is how the term redneck developed.


Nope :-) A Redneck was originally a term used for a farmer.
He followed a mule around the field all day and the back of
his neck got sunburned.


Sunburned. That's exactly what I said. It got red because the
farmer was of Northern European ancestry and, therefore, his
skin burned easily. A farmer of Southern European, South Asian
or African ethnicity could plow the field all day and not get
sunburned.

Not necessarily only Northern European ancestry. Nearly all races
will react to hot sun. When I was at Eniwetok the guy in the next
cot, in the tent we lived in, was a Negro and he got got
suprisingly darker after a time on the island. Japanese,
particularly women, will sunburn and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since they have
an intense natural tan the prevalence of skin cancer in, for
example, African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

-- Regards, Joerg


Not so Joerg, EVERYONE gets sunburned. Just because a black man's
skin doesn't show red doesn't mean that he doesn't sunburn. Remember
that Homosapiens came from Northern Africa so precisely the same
mechanism is at work on everyone. Just because a Chinese farmer is
out in the sun all the time to the extent that he has enough melanin
to block most of the UVA that he is exposed to in his area doesn't
mean that he wouldn't burn to a crisp elsewhere. This is why Arabs
are always totally covered.


Then why is the propensity to develop skin cancer about an order of
magnitude higher in Caucasians versus African-Americans?

--
Regards, Joerg

http://www.analogconsultants.com/
  #47  
Old August 27th 18, 04:23 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 1,261
Default Sunscreen for bicycling

On Friday, August 24, 2018 at 11:44:57 AM UTC-7, Joerg wrote:
On 2018-08-24 11:04, wrote:
On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13,
wrote:
On Monday, August 20, 2018 at 12:00:57 PM UTC-7,
Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at 7:29:00 PM
UTC-7, Joy Beeson wrote:
On Thu, 9 Aug 2018 00:05:16 -0000 (UTC),
bob prohaska wrote:

Does anybody have suggestions for
sunscreen to wear while bicycling?

My cancer doctor said to use zinc sunblock
on fresh scars. (My current scar is under
my hatband, so all I use is E-oil and a
white linen do-rag.)

I'm currently using Kroger's knock-off of
Neutrogena 70; when it runs out, I plan to
start snitching my spouse's Neutrogena 100,
so as to use it up faster.

I used to use a cheaper sunblock on my arms
and legs, but when it ran out, I began to
put the same stuff everywhere. I usually
coat only the outside of the calf muscle on
my legs, because that is where I got a
brown streak when I could ride that long.
I rub my arms together like a cricket, and
put an extra layer on what sticks out of my
sleeves. (In hot weather, I wear long
linen sleeves -- and on my last few rides
they got soaking wet without spitting water
on them.) I still have brown, speckled
arms. And there's a patch on the back of
my hand even though I put on another layer
of 50-SPF sunscreen every time I take off
my gloves.

The stick sunscreen is running out and I
haven't yet found another that fits into my
pocket. I recently realized that I can put
lotion into a lip-salve box -- if I can
find one that isn't identical in every way
to the box I carry A&D in.

I used to carry hand cleaner in my tool
kit. A&D cleans hands just fine, and has a
lot of other uses. Also, nowadays, I fix
flats with my cell phone, so I don't need a
grease remover.

-- Joy Beeson joy beeson at comcast dot
net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena 100+.
Did a long hard ride mostly in direct
sunlight yesterday and my tan didn't change
at all.


Once you have developed a good tan it won't
change much any more. Sometimes when working in
the yard for a few minutes I get carried away
and cut bushes for a couple hours. No sun
screen at that time but the tan doesn't change
anymore. Since moving to California in the 90's
I also don't seem to get sun burns anymore.

My ride was out towards the Altemont Pass. If
there is enough sun my arms will turn red as if I
got a sunburn but they will be brown again the
next day. But with that 100+ there was absolutely
NO reaction.


Turning red is critical even if it "heals" in a
day. I had that as well years ago but somehow not
anymore. It all just tans a bit more over the
weeks.

On of my riding buddies has very white skin,
Irish/Scandinavian type. So he uses SPF100 like you
do and no tan or burn ever develops.

One thing to remember is that a tan does not prevent
UV damage to the skin.


Yeah, that's a problem. However, people in countries
where the majority has naturally darker skin fare much
better in terms of skin cancer rates despite a much
higher UV exposu


That is certainly true but on the other hand all of the
Caucasians I know who have developed skin cancer in their
later years were outdoors people that had a good tan for
much of their life.


The ones I know or knew :-( ... were mostly light-skinned
Caucasians with a more Nordic ethnic background. They
didn't easily develop a tan but red skin and then blisters.
Some of them essentially remained red all summer. AFAIK
that is how the term redneck developed.


Nope :-) A Redneck was originally a term used for a farmer.
He followed a mule around the field all day and the back of
his neck got sunburned.


Sunburned. That's exactly what I said. It got red because the
farmer was of Northern European ancestry and, therefore, his
skin burned easily. A farmer of Southern European, South Asian
or African ethnicity could plow the field all day and not get
sunburned.

Not necessarily only Northern European ancestry. Nearly all races
will react to hot sun. When I was at Eniwetok the guy in the next
cot, in the tent we lived in, was a Negro and he got got
suprisingly darker after a time on the island. Japanese,
particularly women, will sunburn and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since they have
an intense natural tan the prevalence of skin cancer in, for
example, African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

-- Regards, Joerg


Not so Joerg, EVERYONE gets sunburned. Just because a black man's
skin doesn't show red doesn't mean that he doesn't sunburn. Remember
that Homosapiens came from Northern Africa so precisely the same
mechanism is at work on everyone. Just because a Chinese farmer is
out in the sun all the time to the extent that he has enough melanin
to block most of the UVA that he is exposed to in his area doesn't
mean that he wouldn't burn to a crisp elsewhere. This is why Arabs
are always totally covered.


Then why is the propensity to develop skin cancer about an order of
magnitude higher in Caucasians versus African-Americans?

--
Regards, Joerg

http://www.analogconsultants.com/


I don't follow you. We were talking about sunburn and skin cancer has to do with UVA rays effect on the skin and not particularly sunburn. I suppose someone that gets sunburn all the time may be more likely to get skin cancer but that doesn't mean that blacks and Morros don't get sunburned. It isn't sunburn in and of itself that causes cancer.
  #48  
Old August 27th 18, 06:27 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

On 2018-08-27 08:23, wrote:
On Friday, August 24, 2018 at 11:44:57 AM UTC-7, Joerg wrote:
On 2018-08-24 11:04,
wrote:
On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13,
wrote:
On Monday, August 20, 2018 at 12:00:57 PM
UTC-7, Joerg wrote:
On 2018-08-20 11:26,

wrote:
On Saturday, August 11, 2018 at 7:29:00
PM UTC-7, Joy Beeson wrote:
On Thu, 9 Aug 2018 00:05:16 -0000
(UTC), bob prohaska
wrote:

Does anybody have suggestions for
sunscreen to wear while bicycling?

My cancer doctor said to use zinc
sunblock on fresh scars. (My current
scar is under my hatband, so all I use
is E-oil and a white linen do-rag.)

I'm currently using Kroger's knock-off
of Neutrogena 70; when it runs out, I
plan to start snitching my spouse's
Neutrogena 100, so as to use it up
faster.

I used to use a cheaper sunblock on my
arms and legs, but when it ran out, I
began to put the same stuff everywhere.
I usually coat only the outside of the
calf muscle on my legs, because that is
where I got a brown streak when I could
ride that long. I rub my arms together
like a cricket, and put an extra layer
on what sticks out of my sleeves. (In
hot weather, I wear long linen sleeves
-- and on my last few rides they got
soaking wet without spitting water on
them.) I still have brown, speckled
arms. And there's a patch on the back
of my hand even though I put on another
layer of 50-SPF sunscreen every time I
take off my gloves.

The stick sunscreen is running out and
I haven't yet found another that fits
into my pocket. I recently realized
that I can put lotion into a lip-salve
box -- if I can find one that isn't
identical in every way to the box I
carry A&D in.

I used to carry hand cleaner in my
tool kit. A&D cleans hands just fine,
and has a lot of other uses. Also,
nowadays, I fix flats with my cell
phone, so I don't need a grease
remover.

-- Joy Beeson joy beeson at comcast
dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena
100+. Did a long hard ride mostly in
direct sunlight yesterday and my tan
didn't change at all.


Once you have developed a good tan it
won't change much any more. Sometimes when
working in the yard for a few minutes I get
carried away and cut bushes for a couple
hours. No sun screen at that time but the
tan doesn't change anymore. Since moving to
California in the 90's I also don't seem to
get sun burns anymore.

My ride was out towards the Altemont Pass.
If there is enough sun my arms will turn red
as if I got a sunburn but they will be brown
again the next day. But with that 100+ there
was absolutely NO reaction.


Turning red is critical even if it "heals" in
a day. I had that as well years ago but somehow
not anymore. It all just tans a bit more over
the weeks.

On of my riding buddies has very white skin,
Irish/Scandinavian type. So he uses SPF100 like
you do and no tan or burn ever develops.

One thing to remember is that a tan does not
prevent UV damage to the skin.


Yeah, that's a problem. However, people in
countries where the majority has naturally darker
skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of
the Caucasians I know who have developed skin cancer
in their later years were outdoors people that had a
good tan for much of their life.


The ones I know or knew :-( ... were mostly
light-skinned Caucasians with a more Nordic ethnic
background. They didn't easily develop a tan but red
skin and then blisters. Some of them essentially
remained red all summer. AFAIK that is how the term
redneck developed.


Nope :-) A Redneck was originally a term used for a
farmer. He followed a mule around the field all day and
the back of his neck got sunburned.


Sunburned. That's exactly what I said. It got red because
the farmer was of Northern European ancestry and,
therefore, his skin burned easily. A farmer of Southern
European, South Asian or African ethnicity could plow the
field all day and not get sunburned.

Not necessarily only Northern European ancestry. Nearly all
races will react to hot sun. When I was at Eniwetok the guy
in the next cot, in the tent we lived in, was a Negro and he
got got suprisingly darker after a time on the island.
Japanese, particularly women, will sunburn and Chinese, and,
and, and.


Sure, the tanning mechanism is the same. However, since they
have an intense natural tan the prevalence of skin cancer in,
for example, African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

-- Regards, Joerg

Not so Joerg, EVERYONE gets sunburned. Just because a black
man's skin doesn't show red doesn't mean that he doesn't sunburn.
Remember that Homosapiens came from Northern Africa so precisely
the same mechanism is at work on everyone. Just because a Chinese
farmer is out in the sun all the time to the extent that he has
enough melanin to block most of the UVA that he is exposed to in
his area doesn't mean that he wouldn't burn to a crisp elsewhere.
This is why Arabs are always totally covered.


Then why is the propensity to develop skin cancer about an order
of magnitude higher in Caucasians versus African-Americans?

-- Regards, Joerg

http://www.analogconsultants.com/


I don't follow you. We were talking about sunburn and skin cancer has
to do with UVA rays effect on the skin and not particularly sunburn.
I suppose someone that gets sunburn all the time may be more likely
to get skin cancer but that doesn't mean that blacks and Morros don't
get sunburned. It isn't sunburn in and of itself that causes cancer.


Dark-skinned people get sunburned much less than people with very pale
skin. I met many people from South America who work outdoors all day
long and never use sun screen yet don't get sunburns. Because as you
said this doesn't mean they won't run a risk of skin cancer, medical
people still recommend they use sun screen.

Despite all this their prevalence of skin cancer is way lower than that
of white folks. So it seems the darker skin is a good protection against
both skin cancer and sunburns.

--
Regards, Joerg

http://www.analogconsultants.com/
  #49  
Old August 27th 18, 08:52 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 1,261
Default Sunscreen for bicycling

On Monday, August 27, 2018 at 10:27:03 AM UTC-7, Joerg wrote:
On 2018-08-27 08:23, wrote:
On Friday, August 24, 2018 at 11:44:57 AM UTC-7, Joerg wrote:
On 2018-08-24 11:04,
wrote:
On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13,
wrote:
On Monday, August 20, 2018 at 12:00:57 PM
UTC-7, Joerg wrote:
On 2018-08-20 11:26,

wrote:
On Saturday, August 11, 2018 at 7:29:00
PM UTC-7, Joy Beeson wrote:
On Thu, 9 Aug 2018 00:05:16 -0000
(UTC), bob prohaska
wrote:

Does anybody have suggestions for
sunscreen to wear while bicycling?

My cancer doctor said to use zinc
sunblock on fresh scars. (My current
scar is under my hatband, so all I use
is E-oil and a white linen do-rag.)

I'm currently using Kroger's knock-off
of Neutrogena 70; when it runs out, I
plan to start snitching my spouse's
Neutrogena 100, so as to use it up
faster.

I used to use a cheaper sunblock on my
arms and legs, but when it ran out, I
began to put the same stuff everywhere.
I usually coat only the outside of the
calf muscle on my legs, because that is
where I got a brown streak when I could
ride that long. I rub my arms together
like a cricket, and put an extra layer
on what sticks out of my sleeves. (In
hot weather, I wear long linen sleeves
-- and on my last few rides they got
soaking wet without spitting water on
them.) I still have brown, speckled
arms. And there's a patch on the back
of my hand even though I put on another
layer of 50-SPF sunscreen every time I
take off my gloves.

The stick sunscreen is running out and
I haven't yet found another that fits
into my pocket. I recently realized
that I can put lotion into a lip-salve
box -- if I can find one that isn't
identical in every way to the box I
carry A&D in.

I used to carry hand cleaner in my
tool kit. A&D cleans hands just fine,
and has a lot of other uses. Also,
nowadays, I fix flats with my cell
phone, so I don't need a grease
remover.

-- Joy Beeson joy beeson at comcast
dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena
100+. Did a long hard ride mostly in
direct sunlight yesterday and my tan
didn't change at all.


Once you have developed a good tan it
won't change much any more. Sometimes when
working in the yard for a few minutes I get
carried away and cut bushes for a couple
hours. No sun screen at that time but the
tan doesn't change anymore. Since moving to
California in the 90's I also don't seem to
get sun burns anymore.

My ride was out towards the Altemont Pass.
If there is enough sun my arms will turn red
as if I got a sunburn but they will be brown
again the next day. But with that 100+ there
was absolutely NO reaction.


Turning red is critical even if it "heals" in
a day. I had that as well years ago but somehow
not anymore. It all just tans a bit more over
the weeks.

On of my riding buddies has very white skin,
Irish/Scandinavian type. So he uses SPF100 like
you do and no tan or burn ever develops.

One thing to remember is that a tan does not
prevent UV damage to the skin.


Yeah, that's a problem. However, people in
countries where the majority has naturally darker
skin fare much better in terms of skin cancer rates
despite a much higher UV exposu


That is certainly true but on the other hand all of
the Caucasians I know who have developed skin cancer
in their later years were outdoors people that had a
good tan for much of their life.


The ones I know or knew :-( ... were mostly
light-skinned Caucasians with a more Nordic ethnic
background. They didn't easily develop a tan but red
skin and then blisters. Some of them essentially
remained red all summer. AFAIK that is how the term
redneck developed.


Nope :-) A Redneck was originally a term used for a
farmer. He followed a mule around the field all day and
the back of his neck got sunburned.


Sunburned. That's exactly what I said. It got red because
the farmer was of Northern European ancestry and,
therefore, his skin burned easily. A farmer of Southern
European, South Asian or African ethnicity could plow the
field all day and not get sunburned.

Not necessarily only Northern European ancestry. Nearly all
races will react to hot sun. When I was at Eniwetok the guy
in the next cot, in the tent we lived in, was a Negro and he
got got suprisingly darker after a time on the island.
Japanese, particularly women, will sunburn and Chinese, and,
and, and.


Sure, the tanning mechanism is the same. However, since they
have an intense natural tan the prevalence of skin cancer in,
for example, African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

-- Regards, Joerg

Not so Joerg, EVERYONE gets sunburned. Just because a black
man's skin doesn't show red doesn't mean that he doesn't sunburn.
Remember that Homosapiens came from Northern Africa so precisely
the same mechanism is at work on everyone. Just because a Chinese
farmer is out in the sun all the time to the extent that he has
enough melanin to block most of the UVA that he is exposed to in
his area doesn't mean that he wouldn't burn to a crisp elsewhere.
This is why Arabs are always totally covered.


Then why is the propensity to develop skin cancer about an order
of magnitude higher in Caucasians versus African-Americans?

-- Regards, Joerg

http://www.analogconsultants.com/


I don't follow you. We were talking about sunburn and skin cancer has
to do with UVA rays effect on the skin and not particularly sunburn.
I suppose someone that gets sunburn all the time may be more likely
to get skin cancer but that doesn't mean that blacks and Morros don't
get sunburned. It isn't sunburn in and of itself that causes cancer.


Dark-skinned people get sunburned much less than people with very pale
skin. I met many people from South America who work outdoors all day
long and never use sun screen yet don't get sunburns. Because as you
said this doesn't mean they won't run a risk of skin cancer, medical
people still recommend they use sun screen.

Despite all this their prevalence of skin cancer is way lower than that
of white folks. So it seems the darker skin is a good protection against
both skin cancer and sunburns.

--
Regards, Joerg

http://www.analogconsultants.com/


Ahh, now we are in total agreement. I was just pointing out that black and other dark skinned people can get sunburned. Here at 37 degrees north latitude we have a very large number of black people. In the cold winters and little sunshine under the marine layer, in the spring just like the rest of us they get sunburned if they are careless.
  #50  
Old August 27th 18, 09:26 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

On 2018-08-27 12:52, wrote:
On Monday, August 27, 2018 at 10:27:03 AM UTC-7, Joerg wrote:
On 2018-08-27 08:23,
wrote:
On Friday, August 24, 2018 at 11:44:57 AM UTC-7, Joerg wrote:
On 2018-08-24 11:04,
wrote:
On Wednesday, August 22, 2018 at 12:44:06 PM UTC-7, Joerg
wrote:
On 2018-08-21 11:22, John B. Slocomb wrote:
On Tue, 21 Aug 2018 07:23:43 -0700, Joerg
wrote:

On 2018-08-20 18:45, John B. Slocomb wrote:
On Mon, 20 Aug 2018 14:50:44 -0700, Joerg
wrote:

On 2018-08-20 14:43, John B. Slocomb wrote:
On Mon, 20 Aug 2018 13:55:46 -0700, Joerg
wrote:

On 2018-08-20 13:36, John B. Slocomb wrote:
On Mon, 20 Aug 2018 12:23:34 -0700, Joerg
wrote:

On 2018-08-20 12:13,

wrote:
On Monday, August 20, 2018 at 12:00:57
PM UTC-7, Joerg wrote:
On 2018-08-20 11:26,
wrote:
On Saturday, August 11, 2018 at
7:29:00 PM UTC-7, Joy Beeson wrote:
On Thu, 9 Aug 2018 00:05:16 -0000
(UTC), bob prohaska
wrote:

Does anybody have suggestions
for sunscreen to wear while
bicycling?

My cancer doctor said to use zinc
sunblock on fresh scars. (My
current scar is under my hatband,
so all I use is E-oil and a white
linen do-rag.)

I'm currently using Kroger's
knock-off of Neutrogena 70; when it
runs out, I plan to start snitching
my spouse's Neutrogena 100, so as
to use it up faster.

I used to use a cheaper sunblock on
my arms and legs, but when it ran
out, I began to put the same stuff
everywhere. I usually coat only the
outside of the calf muscle on my
legs, because that is where I got a
brown streak when I could ride that
long. I rub my arms together like a
cricket, and put an extra layer on
what sticks out of my sleeves.
(In hot weather, I wear long linen
sleeves -- and on my last few rides
they got soaking wet without
spitting water on them.) I still
have brown, speckled arms. And
there's a patch on the back of my
hand even though I put on another
layer of 50-SPF sunscreen every
time I take off my gloves.

The stick sunscreen is running out
and I haven't yet found another
that fits into my pocket. I
recently realized that I can put
lotion into a lip-salve box -- if I
can find one that isn't identical
in every way to the box I carry A&D
in.

I used to carry hand cleaner in my
tool kit. A&D cleans hands just
fine, and has a lot of other uses.
Also, nowadays, I fix flats with my
cell phone, so I don't need a
grease remover.

-- Joy Beeson joy beeson at
comcast dot net
http://wlweather.net/PAGEJOY/

Well, I can recommend the Neutrogena
100+. Did a long hard ride mostly in
direct sunlight yesterday and my tan
didn't change at all.


Once you have developed a good tan it
won't change much any more. Sometimes
when working in the yard for a few
minutes I get carried away and cut
bushes for a couple hours. No sun
screen at that time but the tan doesn't
change anymore. Since moving to
California in the 90's I also don't
seem to get sun burns anymore.

My ride was out towards the Altemont
Pass. If there is enough sun my arms will
turn red as if I got a sunburn but they
will be brown again the next day. But
with that 100+ there was absolutely NO
reaction.


Turning red is critical even if it "heals"
in a day. I had that as well years ago but
somehow not anymore. It all just tans a bit
more over the weeks.

On of my riding buddies has very white
skin, Irish/Scandinavian type. So he uses
SPF100 like you do and no tan or burn ever
develops.

One thing to remember is that a tan does not
prevent UV damage to the skin.


Yeah, that's a problem. However, people in
countries where the majority has naturally
darker skin fare much better in terms of skin
cancer rates despite a much higher UV
exposu


That is certainly true but on the other hand all
of the Caucasians I know who have developed skin
cancer in their later years were outdoors people
that had a good tan for much of their life.


The ones I know or knew :-( ... were mostly
light-skinned Caucasians with a more Nordic ethnic
background. They didn't easily develop a tan but
red skin and then blisters. Some of them
essentially remained red all summer. AFAIK that is
how the term redneck developed.


Nope :-) A Redneck was originally a term used for a
farmer. He followed a mule around the field all day
and the back of his neck got sunburned.


Sunburned. That's exactly what I said. It got red
because the farmer was of Northern European ancestry
and, therefore, his skin burned easily. A farmer of
Southern European, South Asian or African ethnicity
could plow the field all day and not get sunburned.

Not necessarily only Northern European ancestry. Nearly
all races will react to hot sun. When I was at Eniwetok
the guy in the next cot, in the tent we lived in, was a
Negro and he got got suprisingly darker after a time on
the island. Japanese, particularly women, will sunburn
and Chinese, and, and, and.


Sure, the tanning mechanism is the same. However, since
they have an intense natural tan the prevalence of skin
cancer in, for example, African Americans is hugely lower:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2757062/

-- Regards, Joerg

Not so Joerg, EVERYONE gets sunburned. Just because a black
man's skin doesn't show red doesn't mean that he doesn't
sunburn. Remember that Homosapiens came from Northern Africa
so precisely the same mechanism is at work on everyone. Just
because a Chinese farmer is out in the sun all the time to
the extent that he has enough melanin to block most of the
UVA that he is exposed to in his area doesn't mean that he
wouldn't burn to a crisp elsewhere. This is why Arabs are
always totally covered.


Then why is the propensity to develop skin cancer about an
order of magnitude higher in Caucasians versus
African-Americans?

-- Regards, Joerg

http://www.analogconsultants.com/

I don't follow you. We were talking about sunburn and skin cancer
has to do with UVA rays effect on the skin and not particularly
sunburn. I suppose someone that gets sunburn all the time may be
more likely to get skin cancer but that doesn't mean that blacks
and Morros don't get sunburned. It isn't sunburn in and of itself
that causes cancer.


Dark-skinned people get sunburned much less than people with very
pale skin. I met many people from South America who work outdoors
all day long and never use sun screen yet don't get sunburns.
Because as you said this doesn't mean they won't run a risk of skin
cancer, medical people still recommend they use sun screen.

Despite all this their prevalence of skin cancer is way lower than
that of white folks. So it seems the darker skin is a good
protection against both skin cancer and sunburns.

-- Regards, Joerg

http://www.analogconsultants.com/


Ahh, now we are in total agreement. I was just pointing out that
black and other dark skinned people can get sunburned. Here at 37
degrees north latitude we have a very large number of black people.
In the cold winters and little sunshine under the marine layer, in
the spring just like the rest of us they get sunburned if they are
careless.


They can but it takes a whole lot more of exposure to the sun. The
difference can be an order of magnitude.

--
Regards, Joerg

http://www.analogconsultants.com/
 




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