Methionyl R-Clostridium Botulinum Polypeptide-1 Hexapeptide-40
INCI: METHIONYL R-CLOSTRIDIUM BOTULINUM POLYPEPTIDE-1 HEXAPEPTIDE-40
Reviewed by Emma · Last updated 18 Aug 2026
What Is Methionyl R-Clostridium Botulinum Polypeptide-1 Hexapeptide-40?
Methionyl r-Clostridium Botulinum Polypeptide-1 Hexapeptide-40 is a single chain recombinant fusion peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the gene from r-Clostridium Botulinum Polypeptide-1 and Hexapeptide-40 with the initiation codon for methionine. The fusion peptide contains 469 amino acids and consists of the proper sequence of the 20 standard amino acids.
Its declared cosmetic function is skin protecting.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Aminomethyl Propanol
Used to adjust and control the pH of a formulation
Decyloxazolidinone
Functions as a preservative
Disodium Phosphate
“Behind-the-scenes” ingredient commonly used as a buffering agent/pH adjuster
Disteardimonium Hectorite
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Versatile polymer widely used in skin care and makeup
Hypochlorous Acid
Naturally occurring oxidizing ingredient
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.