GLYOXYLOYL KERATIN AMINO ACIDS is graded A (Safe) by Expert·ING, based on COSING regulatory data.

GLYOXYLOYL KERATIN AMINO ACIDS

Safety grade: A

This is a modified form of keratin, a natural protein found in hair, that has been chemically treated to help improve hair structure and manageability. It works by bonding to hair to provide smoothing and conditioning benefits.

This ingredient is used in hair care products to reduce frizz and static electricity while helping to straighten or wave hair by temporarily altering its structure and providing a smoother surface.

Graded using: COSING.

Last verified: May 26, 2026