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

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