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Sunscreen for bicycling



 
 
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  #21  
Old August 10th 18, 08:38 PM posted to rec.bicycles.tech
Frank Krygowski[_4_]
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Posts: 10,538
Default Sunscreen for bicycling

On 8/10/2018 4:52 AM, Sepp Ruf wrote:
John B. Slocomb wrote:
On Fri, 10 Aug 2018 00:36:32 +0000 (UTC), Ralph Barone wrote:
Joerg wrote:


A very fair-skinned cycling friend uses SPF100 and puts it on
generously. Even after a 5h ride in the glistening sun his skin remains
very white so the sun blocker must be protecting because it prevents
even a minimal tan.


If memory serves me properly (and it sometimes does), early sunscreens
blocked only one of UVA and UVB (I can't remember which), with the result
that you didn't tan, but your skin got damaged anyway. If modern sunscreen
has a similar deficiency in protection, you could find that increased
sunscreen use doesn't correlate with lower skin cancer rates.
Alternatively, what if sunscreen itself is a carcinogen?


I don't remember UVA or UVB but when I was going to school in Miami a
friend had some sort of sun block that "prevented sun damage but
allowed tanning". The idea of tanning was, I suppose, because
everyone else on the beach had a nice tan and I guess the "white
skins" didn't want to stand out.


It allowed the existing cells to tan by passing UVA, but blocked UVB.

According to the London Telegraph's reporting, some modern sunscreen norms
require that a UVA protection claiming label must be backed up by a UVA PF
of at least one-third of the stated SPF (UVB) rating. Boris Johnson was
wrong indeed: Letter-boxes (taped shut) are best!
https://www.huffingtonpost.co.uk/entry/boris-johnson-defended-by-leading-imam-over-burka-comments_uk_5b6bf966e4b0530743c71456

But as rbt's readers exclusively die from the effects of wrong gear
selection, lightweight component failure, bike route muggings, closed
brewpubs, wildlife attacking, styrofoam lids or missing styrofoam lids, the
only rbt-relevant sunscreen quality is whether it dissolves expensive grips
and other plastic materials (including black lycra matters) and, maybe, if
it can be used as an emergency chain lube.


Hey, don't go bringing chain lube into this discussion! That's going to
_really_ make it get ugly!

--
- Frank Krygowski
Ads
  #22  
Old August 10th 18, 10:14 PM posted to rec.bicycles.tech
Joy Beeson
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Posts: 1,638
Default Sunscreen for bicycling

On Fri, 10 Aug 2018 10:52:41 +0200, Sepp Ruf
wrote:

if
it can be used as an emergency chain lube.


When I was sagging a century tour, we did use sun-tan oil to loosen up
a stuck rear derailer. The rider had a clean-up to do when she got
home, but she did finish the ride.

--
Joy Beeson
joy beeson at comcast dot net

---
This email has been checked for viruses by AVG.
https://www.avg.com

  #23  
Old August 11th 18, 12:12 AM posted to rec.bicycles.tech
Tim McNamara
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Posts: 6,945
Default Sunscreen for bicycling

On Fri, 10 Aug 2018 10:52:41 +0200, Sepp Ruf
wrote:

the only rbt-relevant sunscreen quality is ... if it can be used as an
emergency chain lube.


Yes. Not perhaps a *good* chain lube but nonetheless. It's got oily
type stuff in it. Jobst Brandt's ride reports include mention of the
use of sunscreen as an emergency grease for a dry hub bearing on his
son's bike, on one of his trips to the Alps.
  #24  
Old August 11th 18, 01:04 AM posted to rec.bicycles.tech
Frank Krygowski[_4_]
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Posts: 10,538
Default Sunscreen for bicycling

On 8/10/2018 7:12 PM, Tim McNamara wrote:
On Fri, 10 Aug 2018 10:52:41 +0200, Sepp Ruf
wrote:

the only rbt-relevant sunscreen quality is ... if it can be used as an
emergency chain lube.


Yes. Not perhaps a *good* chain lube but nonetheless. It's got oily
type stuff in it. Jobst Brandt's ride reports include mention of the
use of sunscreen as an emergency grease for a dry hub bearing on his
son's bike, on one of his trips to the Alps.


I wonder if Jobst's son still rides.


--
- Frank Krygowski
  #25  
Old August 11th 18, 08:40 AM posted to rec.bicycles.tech
Sepp Ruf
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Posts: 454
Default Sunscreen for bicycling

Frank Krygowski wrote:
On 8/10/2018 4:52 AM, Sepp Ruf wrote:


According to the London Telegraph's reporting, some modern sunscreen

(....)
and, maybe, if
it can be used as an emergency chain lube.


Hey, don't go bringing chain lube into this discussion! That's going to
_really_ make it get ugly!


That was my prime concern, too. But you underestimated the magic of Joy's
stories. And Tim's mention of Jobst in the Alps, evoking a peaceful image
of him servicing a hub with a bottle of Piz Buin (instead of just drilling a
spoke into a sunbathing marmot.) Always an honor.
  #26  
Old August 12th 18, 03:28 AM posted to rec.bicycles.tech
Joy Beeson
external usenet poster
 
Posts: 1,638
Default Sunscreen for bicycling

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/






---
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https://www.avg.com

  #27  
Old August 20th 18, 07:26 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 1,261
Default Sunscreen for bicycling

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.
  #28  
Old August 20th 18, 08:00 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

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.

--
Regards, Joerg

http://www.analogconsultants.com/
  #29  
Old August 20th 18, 08:13 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 1,261
Default Sunscreen for bicycling

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.
  #30  
Old August 20th 18, 08:23 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 6,016
Default Sunscreen for bicycling

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.

--
Regards, Joerg

http://www.analogconsultants.com/
 




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