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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
Ascorbic acidStrong
Azelaic acidStrong
BHTFunctional
Behentrimonium MethosulfateFunctional
Butylated HydroxyanisoleFunctional
Cocoyl Hydrolyzed CollagenFunctional
Diethylhexyl SyringylidenemalonateFunctional
EthylhexylglycerinFunctional
Magnesium SulfateFunctional
NiacinamideStrong
Pentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamateFunctional
Potassium Cocoyl Hydrolyzed CollagenFunctional
SimethiconeFunctional
Sodium Cocoyl Hydrolyzed CollagenFunctional
Sodium ascorbyl phosphateModerate
TEA-Cocoyl Hydrolyzed CollagenFunctional
Tranexamic acidModerate