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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
ArginineFunctional
Ascorbic acidStrong
Azelaic acidStrong
Citric AcidFunctional
Dipotassium PhosphateFunctional
Disodium PhosphateFunctional
IsobutaneFunctional
NiacinamideStrong
Potassium HydroxideFunctional
Potassium PhosphateFunctional
Sodium HydroxideFunctional
Sodium PhosphateFunctional
Sodium ascorbyl phosphateModerate
SqualaneModerate
Tranexamic acidModerate
TriethanolamineFunctional
TromethamineFunctional