Sr-Mussel Decapeptide-1
A cosmetic ingredient used as antioxidant, skin protecting, skin conditioning - humectant in skincare, haircare, and personal-care products sold in the European Union.
What is it?
sr-Mussel Decapeptide-1 is a single chain peptide recombinantly produced by fermentation in E. coli. The starting gene is synthesized based on a 10 amino acid sequence from Adhesive Plaque Matrix Protein found in mussel, Mytilus galloprovincialiss. The parent protein contains a maximum of 473 amino acids which may contain disulfide bonds and/or glycosylation and consists of the proper sequence of the 20 standard amino acids.
What does it do?
Sr-Mussel Decapeptide-1 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antioxidant
neutralises free radicals to slow oxidative damage to the formulation or skin
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Skin protecting
helps shield skin from external environmental factors
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Skin conditioning - humectant
increases skin moisture by attracting water
EU regulatory status
Sr-Mussel Decapeptide-1 is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Sr-Mussel Decapeptide-1?
Sr-Mussel Decapeptide-1 is a cosmetic ingredient catalogued in the EU CosIng database. sr-Mussel Decapeptide-1 is a single chain peptide recombinantly produced by fermentation in E. coli. The starting gene is synthesized based on a 10 amino acid sequence from Adhesive Plaque Matrix Protein found in mussel, Mytilus galloprovincialiss. The parent protein contains a maximum of 473 amino acids which may contain disulfide bonds and/or glycosylation and consists of the proper sequence of the 20 standard amino acids.
Is Sr-Mussel Decapeptide-1 allowed in cosmetics in the EU?
Yes. Sr-Mussel Decapeptide-1 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Sr-Mussel Decapeptide-1 do in cosmetic products?
Sr-Mussel Decapeptide-1 is declared in the EU cosmetic ingredient inventory with these functions: antioxidant, skin protecting, skin conditioning - humectant.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 25/06/2026