Peter Attia· MD
So you become less light sensitive. You might always still be a little bit but you're a lot less light sensitive than when you first start a retinoid.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
So you become less light sensitive. You might always still be a little bit but you're a lot less light sensitive than when you first start a retinoid.
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So those studies came out very early on which is why people start to say oh I stop my retinoid in the summer and that's the last thing you should do because initially when you start a retinoid you will get exfoliation at the level of the dead layer of the skin the start corneium but after you've been on the retinoid for a long time that builds back up. So you you become less light sensitive. You might always still be a little bit but you're a lot less light sensitive than when you first start a retinoid. But you should always have a sunscreen on and a hat.