TETRAPEPTIDE-86 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-86

Safety grade: A

This lab-created protein fragment works to help improve skin firmness and reduce the appearance of fine lines by supporting your skin's natural structure. It's designed to be gentle enough for daily use in serums, moisturizers, and anti-aging formulas.

Graded using: COSING.

Last verified: June 9, 2026