DECAPEPTIDE-40 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

DECAPEPTIDE-40

Safety grade: A

A protein fragment made up of ten amino acids, this ingredient works to support your skin's natural moisture barrier and help improve texture. It's designed to keep skin hydrated and may help reduce the appearance of fine lines by promoting skin firmness and elasticity.

Graded using: COSING.

Last verified: June 9, 2026