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

SR-CLOSTRIDIUM BOTULINUM POLYPEPTIDE-1 DECAPEPTIDE-40

Safety grade: A

This ingredient is a lab-created protein fragment derived from a naturally occurring bacterium. In cosmetics, it works to temporarily relax facial muscles and reduce the appearance of wrinkles and fine lines, similar to how injectable treatments work but in a topical product form.

Graded using: COSING.

Last verified: June 9, 2026