TETRAPEPTIDE-82 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TETRAPEPTIDE-82

Safety grade: A

A lab-created protein fragment designed to help firm and smooth skin by supporting its natural structure. It works by signaling skin cells to strengthen collagen and elastin, the fibers that keep skin looking plump and youthful. Commonly found in anti-aging creams and serums.

Graded using: COSING.

Last verified: June 9, 2026