R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105
A cosmetic ingredient used as hair conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
r-(Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 sh-Polypeptide-105) is a single chain fusion peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the genes encoding for Tetrapeptide-38, Hexapeptide-40, Nonapeptide-39 and sh-Polypeptide-105. The fusion peptide contains 67amino 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?
R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair conditioning
improves the appearance, feel, and manageability of hair
EU regulatory status
R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 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 R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105?
R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 is a cosmetic ingredient catalogued in the EU CosIng database. r-(Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 sh-Polypeptide-105) is a single chain fusion peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the genes encoding for Tetrapeptide-38, Hexapeptide-40, Nonapeptide-39 and sh-Polypeptide-105. The fusion peptide contains 67amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
Is R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 allowed in cosmetics in the EU?
Yes. R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 do in cosmetic products?
R-Tetrapeptide-38 Hexapeptide-40 Nonapeptide-39 Sh-Polypeptide-105 is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 08/02/2018