Tripeptide-128
A cosmetic ingredient used as not reported in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Tripeptide-128 is the synthetic peptide consisting of alanine, phenylalanine and tryptophan.
What does it do?
Tripeptide-128 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
Tripeptide-128 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 Tripeptide-128?
Tripeptide-128 is a cosmetic ingredient catalogued in the EU CosIng database. Tripeptide-128 is the synthetic peptide consisting of alanine, phenylalanine and tryptophan.
Is Tripeptide-128 allowed in cosmetics in the EU?
Yes. Tripeptide-128 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: 30/04/2025