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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
AdapaleneStrong
BHTFunctional
BakuchiolLimited
Butylated HydroxyanisoleFunctional
Diethylhexyl SyringylidenemalonateFunctional
Glycolic acidModerate
Lactic acidModerate
Magnesium SulfateFunctional
Pentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamateFunctional
RetinalModerate
RetinolStrong
Salicylic acidStrong
SimethiconeFunctional