Sr-(Hepta Sh-Polypeptide-165) Trimer
A cosmetic ingredient used as astringent, bulking, film forming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
sr-(Hepta sh-Polypeptide-165) Trimer is a trimer of the synthetic peptide containing seven repeats of sh-Polypeptide-165. The fusion peptide contains 338 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-(Hepta Sh-Polypeptide-165) Trimer is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Astringent
tightens or contracts skin tissue and pores, often used in toners and after-shave products
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Bulking
adds volume or mass to a product without significantly changing its other properties
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
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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-(Hepta Sh-Polypeptide-165) Trimer 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-(Hepta Sh-Polypeptide-165) Trimer?
Sr-(Hepta Sh-Polypeptide-165) Trimer is a cosmetic ingredient catalogued in the EU CosIng database. sr-(Hepta sh-Polypeptide-165) Trimer is a trimer of the synthetic peptide containing seven repeats of sh-Polypeptide-165. The fusion peptide contains 338 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
Is Sr-(Hepta Sh-Polypeptide-165) Trimer allowed in cosmetics in the EU?
Yes. Sr-(Hepta Sh-Polypeptide-165) Trimer is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Sr-(Hepta Sh-Polypeptide-165) Trimer do in cosmetic products?
Sr-(Hepta Sh-Polypeptide-165) Trimer is declared in the EU cosmetic ingredient inventory with these functions: astringent, bulking, film forming, 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: 30/04/2025