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theskindex
Thursday, October 15, 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
AdapaleneStrong
AllantoinLimited
Ascorbic acidStrong
BakuchiolLimited
Centella asiaticaLimited
Ceramide NPModerate
Glycolic acidModerate
Hyaluronic acidModerate
Lactic acidModerate
NiacinamideStrong
PanthenolModerate
RetinalModerate
RetinolStrong
Sodium ascorbyl phosphateModerate
Tranexamic acidModerate
Zinc oxideStrong