PENTAPEPTIDE-57 DIMER is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-57 DIMER

Safety grade: A

A synthetic peptide made of amino acids that works to strengthen and firm the skin by supporting its natural structure. This ingredient helps reduce the appearance of fine lines and sagging by promoting skin elasticity and firmness.

Graded using: COSING.

Last verified: June 9, 2026