Ingredient
Coptis Japonica Extract
Coptis Japonica Root Extract
Japanese Goldthread Root Extract
What it is
A traditional East Asian botanical extract from the goldthread plant (Coptis japonica), valued in Korean skincare for its berberine content and traditional anti-inflammatory, antimicrobial reputation.
How it works
Its main bioactive alkaloid, berberine, has documented antioxidant and antimicrobial activity in vitro, which formulators leverage as a calming botanical addition in acid-forward or blemish-focused formulas.
What it does
Skin conditioning
Antioxidant
Soothing
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.