Sh-Oligopeptide-75 Amide
INCI: SH-OLIGOPEPTIDE-75 AMIDE
Reviewed by Daisy · Last updated 18 Aug 2026
What Is Sh-Oligopeptide-75 Amide?
sh-Oligopeptide-75 Amide is a 14 amino acid protein fragment in which the C-terminus of the peptide is an amide, and it is produced synthetically to be identical to a fragment of the human protein, Sperm Protamine P1. The protein contains a maximum of 51 amino acids and consists of the proper sequence of the 20 standard amino acids.
Its declared cosmetic functions are antioxidant, astringent, chelating 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 quizRelated Ingredients
Ajuga Reptans Cell Culture Extract
Plant cell culture extract with antioxidant and skin-brightening potential
Calcium Disodium EDTA
A chelating agent that binds metals and helps stabilise skincare formulations
Caprylhydroxamic Acid
A chelating agent that stabilises formulations and supports product efficacy
Citric Acid
Used in small amounts to adjust the pH of products | Originally derived from citrus fruits
Citrus Medica Vulgaris Fruit Extract
A citrus-derived antioxidant that helps protect skin from environmental stressors
Cyclodextrin
Derived from cornstarch and made via biotechnology | Used in cosmetics to stabilise and help solubilize key ingredients
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.