DECAPEPTIDE-55 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

DECAPEPTIDE-55

Safety grade: A

A laboratory-created protein fragment that helps strengthen and firm skin by supporting its natural structure. It works to improve skin elasticity and reduce the appearance of fine lines, making it a common addition to anti-aging creams and serums.

Graded using: COSING.

Last verified: June 9, 2026