TRIPEPTIDE-20 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-20

Safety grade: A

Tripeptide-20 is a small protein fragment made up of three amino acids linked together. It works to help skin feel smoother and more hydrated by supporting the skin's natural moisture barrier.

This ingredient is used in skincare products to condition and soften the skin while helping it retain moisture for a more supple and comfortable appearance.

Graded using: COSING.

Last verified: May 26, 2026