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theskindex
Wednesday, October 14, 2026Index last updated Oct 14
The Index

Every ingredient, graded

INCI names in monospace, evidence grade at the row end, limits by region on every entry. Filter by what it does, what it's for, and where it's permitted.

IngredientEvidence
AdapaleneStrong
AllantoinLimited
Ascorbic acidStrong
Azelaic acidStrong
BakuchiolLimited
Behentrimonium MethosulfateFunctional
Benzoyl peroxideStrong
Centella asiaticaLimited
Cocoyl Hydrolyzed CollagenFunctional
EthylhexylglycerinFunctional
Potassium Cocoyl Hydrolyzed CollagenFunctional
Salicylic acidStrong
Sodium Cocoyl Hydrolyzed CollagenFunctional
Sodium ascorbyl phosphateModerate
SqualaneModerate
TEA-Cocoyl Hydrolyzed CollagenFunctional
Tocopheryl AcetateEmerging
UreaStrong