How to Choose the Right Sunscreen for You

Jeff Greene: There's plenty of sunscreens that use quote unquote chemical filters. And I've worked on them where we tested for non-comedogenic and have flying results, right? He says the most important thing is to heed recommendations in terms of like Dave versus night usage or if you're using AHA product - don't use an AHA product because itactivates the vitamin C. That said, there was a little bit more asking about like mixing retinols. It just seems completely out of character with my knowledge of the ingredient at all.