Skin Conditioning

Octapeptide-22 R-Thermus Thermophilus Putative Esterase Hexapeptide-40

INCI: OCTAPEPTIDE-22 R-THERMUS THERMOPHILUS PUTATIVE ESTERASE HEXAPEPTIDE-40

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Octapeptide-22 R-Thermus Thermophilus Putative Esterase Hexapeptide-40?

Octapeptide-22 r-Thermus Thermophilus Putative Esterase 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 that codes for Thermus Thermophilus Putative Esterase, Octapeptide-22, and Hexapeptide-40. The fused peptide contains 329 amino acids and consists of the proper sequence of the 20 standard amino acids.

Its declared cosmetic function is skin conditioning.

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 quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations