HYDROLYZED YEAST is graded A (Safe) by Expert·ING, based on COSING regulatory data.
HYDROLYZED YEAST
Safety grade: A
Hydrolyzed yeast is a broken-down form of yeast (the same microorganism used to make bread and beer) that has been processed into smaller components. These components are rich in proteins, vitamins, and nutrients that nourish hair and skin.
This ingredient works as a moisturizer and conditioner that helps soften, smooth, and hydrate both hair and skin while adding shine and improving overall texture.
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