4-AMINO-3-HYDROXYBUTYRIC ACID is graded A (Safe) by Expert·ING, based on COSING regulatory data.
4-AMINO-3-HYDROXYBUTYRIC ACID
Safety grade: A
This is a small amino acid-like molecule that occurs naturally in the body and can also be made in a lab. It is a building block compound related to the natural chemicals our bodies produce.
It is used in cosmetic products to help moisturize and improve the overall feel and condition of the skin.
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