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theskindex
Friday, October 16, 2026Index last updated Oct 15
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
BHTFunctional
BakuchiolLimited
Butylated HydroxyanisoleFunctional
Centella asiaticaLimited
Diethylhexyl SyringylidenemalonateFunctional
IsobutaneFunctional
Magnesium SulfateFunctional
NiacinamideStrong
Pentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamateFunctional
SimethiconeFunctional
Sodium ascorbyl phosphateModerate
SqualaneModerate
Tocopheryl AcetateEmerging
Tranexamic acidModerate