Antioxidant

Oligopeptide-100 Amide

INCI: OLIGOPEPTIDE-100 AMIDE

Reviewed by Kate · Last updated 18 Aug 2026

What Is Oligopeptide-100 Amide?

Oligopeptide-100 Amide is the synthetic peptide containing 18 amino acids in which the C-terminus of the peptide is an amide, and consists of leucine, lysine, proline, and tryptophan.

Its declared cosmetic functions are antimicrobial, antioxidant, antiseborrhoeic and 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 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