Ingredients

What each active does, at what concentration it matters, what it pairs with, and what it cancels. Read a back-of-pack the way you'd read a wine list — without the hysteria in either direction.

Ingredients sits under Skin in the HowTo Beauty menu. It has 9 sections: Niacinamide, Vitamin C, Retinoids, Chemical Exfoliants, Ceramides, Peptides, Humectants vs Emollients, The Brightening Pair and SPF Filters.