Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate
A cosmetic ingredient used as dispersing non-surfactant, skin conditioning - miscellaneous in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is the trifluoroacetate salt of the acetyl derivative of the synthetic peptide consisting of Cysteine and D-Tetrapeptide-1 in which the C-terminus is an amine.
What does it do?
Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Dispersing non-surfactant
evenly distributes solid particles (e.g. pigments) in a liquid without acting as a surfactant
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Skin conditioning - miscellaneous
improves skin condition through mechanisms not classified under the more specific emollient or humectant subcategories
EU regulatory status
Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate 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 Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate?
Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is a cosmetic ingredient catalogued in the EU CosIng database. Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is the trifluoroacetate salt of the acetyl derivative of the synthetic peptide consisting of Cysteine and D-Tetrapeptide-1 in which the C-terminus is an amine.
Is Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate allowed in cosmetics in the EU?
Yes. Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate do in cosmetic products?
Acetyl Cysteinyl D-Tetrapeptide-1 Amine Trifluoroacetate is declared in the EU cosmetic ingredient inventory with these functions: dispersing non-surfactant, skin conditioning - miscellaneous.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 11/05/2026