SR-(METHIONYL OLIGOPEPTIDE-91 GLUTAMINYL CLOSTRIDIUM BOTULINUM POLYPEPTIDE-1 HEXAPEPTIDE-40) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(METHIONYL OLIGOPEPTIDE-91 GLUTAMINYL CLOSTRIDIUM BOTULINUM POLYPEPTIDE-1 HEXAPEPTIDE-40)

Safety grade: A

This anti-aging ingredient is a blend of small protein fragments designed to help relax facial muscles and reduce the appearance of fine lines and wrinkles. It works similarly to prescription wrinkle treatments by smoothing expression lines, particularly on the forehead and around the eyes, giving skin a more refreshed appearance.

Graded using: COSING.

Last verified: June 9, 2026