2

votes

sunlight exposure to just face for longer time versus whole body for shorter time?

Answered on August 19, 2014
Created June 11, 2012 at 12:13 AM

Can you get just as much vitamin D from exposing just face and arms (i.e., t-shirt) for a longer period of time versus having shirt off for shorter period? Would the ratio of time needed be roughly equivalent to ratio of surface area of exposed skin?

I know you'd want to make sure you didn't sunburn, and I understand more sun face exposure can lead to premature aging. And, I realize it could result in a "nice" farmer's tan.

Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on June 11, 2012
at 05:42 PM

Thanks, kilton! Best to add a comment, instead of editing your original one, otherwise the conversation makes no sense.

Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on June 11, 2012
at 01:52 PM

Doesn't make sense to me. I need 1 hour of bikini-exposure to get as much D as my fair-skinned husband. Do you have that link?

8e3782b68e033763485472f414f507a5

(2433)

on June 11, 2012
at 11:36 AM

Actually it looks like tans filter UVA, but not UVB. I don't have a link handy -- but Chris Masterjohn wrote about it last year.

Bf2291448a06d573f0fdc87cd514e512

(519)

on June 11, 2012
at 04:07 AM

This has always piqued my curiosity as well. Is it optimal to get full coverage or does it not matter?

Ae8946707ddebf0f0bfbcfc63276d823

(9402)

on June 11, 2012
at 02:32 AM

hence the quotes

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3 Answers

best answer

6
Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on June 11, 2012
at 03:12 AM

Probably. But as you tan, it will take longer to get the same amount of D. I wouldn't do that to my face!

If I were a guy, I'd be taking my shirt off, for sure!

Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on June 11, 2012
at 05:42 PM

Thanks, kilton! Best to add a comment, instead of editing your original one, otherwise the conversation makes no sense.

8e3782b68e033763485472f414f507a5

(2433)

on June 11, 2012
at 11:36 AM

Actually it looks like tans filter UVA, but not UVB. I don't have a link handy -- but Chris Masterjohn wrote about it last year.

Ce41c230e8c2a4295db31aec3ef4b2ab

(32556)

on June 11, 2012
at 01:52 PM

Doesn't make sense to me. I need 1 hour of bikini-exposure to get as much D as my fair-skinned husband. Do you have that link?

2
6b8d12fc3e43179f9ae1765a4d1a9dc2

(5914)

on June 11, 2012
at 04:34 AM

I would be tempted to go for more skin for less time.

Your not going to burn in 10 minutes, but you can get sunlight to a pretty big area. But 40 of just your face and you will probs burn.

0
1edb06ded9ccf098a4517ca4a7a34ebc

on June 11, 2012
at 02:14 AM

tan lines are not very attractive.

Ae8946707ddebf0f0bfbcfc63276d823

(9402)

on June 11, 2012
at 02:32 AM

hence the quotes

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