Sr-Mussel Polypeptide-5
A cosmetic ingredient used as not reported in skincare, haircare, and personal-care products sold in the European Union.
What is it?
sr-Mussel Polypeptide-5 is a single chain recombinant mussel peptide, produced by fermentation in Pichia. The starting gene is synthesized to be identical to the gene which codes for Adhesive Plaque Matrix Protein derived from mussel. The parent protein contains a maximum of 565 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 Polypeptide-5 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Not reported
function not declared in the EU CosIng database — the substance is approved for cosmetic use, but no specific role has been categorised
EU regulatory status
Sr-Mussel Polypeptide-5 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 Polypeptide-5?
Sr-Mussel Polypeptide-5 is a cosmetic ingredient catalogued in the EU CosIng database. sr-Mussel Polypeptide-5 is a single chain recombinant mussel peptide, produced by fermentation in Pichia. The starting gene is synthesized to be identical to the gene which codes for Adhesive Plaque Matrix Protein derived from mussel. The parent protein contains a maximum of 565 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 Polypeptide-5 allowed in cosmetics in the EU?
Yes. Sr-Mussel Polypeptide-5 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
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