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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
Citric AcidFunctional
Disodium EDTAFunctional
Glycolic acidModerate
Lactic acidModerate
NiacinamideStrong
RetinolStrong
Salicylic acidStrong
Sodium GluconateFunctional
Tetrasodium EDTAFunctional
Trisodium Ethylenediamine DisuccinateFunctional