SH-HEXAPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
SH-HEXAPEPTIDE-4
Safety grade: A
This peptide is a lab-created protein fragment designed to help relax facial muscles and reduce the appearance of fine lines and wrinkles. It works by targeting expression lines, particularly on the forehead and between the brows, giving skin a smoother appearance over time.
Graded using: COSING.
Last verified: June 9, 2026