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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
Ascorbic acidStrong
BakuchiolLimited
Glycolic acidModerate
Hyaluronic acidModerate
RetinalModerate
RetinolStrong