ARGININE is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

ARGININE

Safety grade: A

Arginine is an amino acid, which are the building blocks of proteins found naturally in your body. It's used in skincare and haircare products to help improve texture and protect the product itself.

Arginine conditions and softens skin and hair, reduces frizz and static, and helps mask unpleasant odors in cosmetic formulations.

Graded using: COSING, FDA.

Last verified: May 26, 2026