Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1)
A cosmetic ingredient used as anti-seborrheic, antimicrobial, preservative in skincare, haircare, and personal-care products sold in the European Union.
What is it?
sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is a single chain recombinant peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the gene from sr-Staphylococcus Phage 187 Polypeptide-1 and sr-Streptococcus Suis Polypeptide-1. The fusion peptide contains 247 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-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Anti-seborrheic
helps regulate excess sebum production on skin and scalp
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Antimicrobial
kills or inhibits the growth of microorganisms
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Preservative
prevents microbial growth in cosmetic products, extending shelf life and protecting users
EU regulatory status
Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-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-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1)?
Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is a cosmetic ingredient catalogued in the EU CosIng database. sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is a single chain recombinant peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the gene from sr-Staphylococcus Phage 187 Polypeptide-1 and sr-Streptococcus Suis Polypeptide-1. The fusion peptide contains 247 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
Is Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) allowed in cosmetics in the EU?
Yes. Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) do in cosmetic products?
Sr-(Staphylococcus Phage 187 Polypeptide-1 Streptococcus Suis Polypeptide-1) is declared in the EU cosmetic ingredient inventory with these functions: anti-seborrheic, antimicrobial, preservative.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 28/04/2025