Skincare ingredients — a warm editorial still life of botanical and active ingredient specimens on linen
Skincare Ingredients

Every skincare ingredient, decoded.

Browse through our broad index to learn more about the ingredients’ origins, benefits, side effects, different uses, whether they are safe for sensitive skin, and so much more.

3 min · 100K+ formulas built

  • 4.7 ★
    50,000+ reviews
  • Clinically proven
    28-day independent study
  • MIT AI Idol
    Technology of the year
  • 2 U.S. patents
    Personalization first
A–Z Index

Browse the ingredient library

Tap any ingredient for the full breakdown, or search by name.

Start with you

Start from your skin, not a single ingredient.

Your skin is more than one ingredient at a time. Start from your skin type or a concern — or let the quiz read all of it.

Skip the guesswork.

Not sure where to start? The Skin Genome Quiz reads 47 factors and builds it for you — the right ingredients, at the right doses.

Get your formula

3 min · Free reformulation