TRIPEPTIDE-23 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-23

Safety grade: A

Tripeptide-23 is a small chain of three amino acids (the building blocks of proteins) that is designed to help improve skin texture and firmness. It works by signaling skin cells to produce more collagen, which keeps skin looking youthful and plump.

This ingredient is used in skincare products to enhance skin conditioning by promoting collagen production and improving skin elasticity and firmness.

Graded using: COSING.

Last verified: May 26, 2026