URSODIOL is graded A (Safe) by Expert·ING, based on COSING regulatory data.
URSODIOL
Safety grade: A
Ursodiol is a naturally occurring bile acid that helps protect and soothe the skin. It works by improving skin hydration and strengthening the skin's natural barrier function.
Ursodiol is used in cosmetics to condition and protect the skin by enhancing moisture retention and supporting the skin's protective barrier against environmental stressors.
Graded using: COSING.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A