SH-TRIPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-TRIPEPTIDE-4

Safety grade: A

This is a small protein fragment made up of three amino acids linked together. It's designed to help improve skin's texture and firmness by supporting the skin's natural structure.

This ingredient conditions and improves skin by helping to strengthen and support the skin's structural proteins, resulting in smoother, more resilient-looking skin.

Graded using: COSING.

Last verified: May 26, 2026