TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 & SPF100 only increases by 1%

www.mdanderson.org

TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 & SPF100 only increases by 1%

www.mdanderson.org

Lemmit.Online botMAB to

Today I Learned (TIL)English · 3 months ago

Should you use very high SPF sunscreen?

www.mdanderson.org

We should all protect our skin from the sun, but do we need SPF 100? Dermatologist Saira George, M.D., says those sun protection factor numbers can be misleading.

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/beachsidelife64 on 2025-06-30 16:33:38+00:00.

You must log in or register to comment.

Chat

Today I Learned (TIL)

todayilearned

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]

Community locked: only moderators can create posts. You can still comment on posts.

You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

Visibility: Public

This community can be federated to other instances and be posted/commented in by their users.

30 users / day
60 users / week
137 users / month
428 users / 6 months
1 local subscriber
826 subscribers
27.2K Posts
818 Comments
Modlog

mods:
Lemmit.Online bot

TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 &amp; SPF100 only increases by 1%

TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 &amp; SPF100 only increases by 1%

Should you use very high SPF sunscreen?

This is an automated archive made by the Lemmit Bot.

TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 & SPF100 only increases by 1%

TIL that SPF 30 sunscreen blocks 97% of UVB rays, SPF50 & SPF100 only increases by 1%