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I'd suggest checking out Lab Muffin Beauty Science's videos and blogs. The tl;dr is that ideally yes, not because modern sunscreens break down (they're generall
by yixu34 3mo ago
I'd suggest checking out Lab Muffin Beauty Science's videos and blogs. The tl;dr is that ideally yes, not because modern sunscreens break down (they're generally pretty photostable), but because your skin cells move over time and create gaps in coverage.
Side note: you can also buy a UV camera on Amazon that shows your suncreen application coverage!
- Cider9986 3mo agoThat's cool, do you have one?
- layman51 3mo agoThere’s also UV exposure stickers. I haven’t used them, but the idea is that you put a small sticker on your skin, and apply sunscreen normally and over the sticker. Then when the sticker on you turns purple, you know that you have to reapply.