TRIPEPTIDE-123 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-123

Safety grade: A

A protein fragment made from three amino acids linked together, this ingredient works to help strengthen and support your skin's structure. It's designed to improve firmness and may help reduce the appearance of fine lines by boosting your skin's natural support system.

Graded using: COSING.

Last verified: June 9, 2026