How we scored it
Peptide built from amino acids (Lys, Thr, Ser residues); synthesis reagents leave no mass. 1.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Assembled from naturally-sourced amino acids (lysine, threonine, serine) via solid-phase peptide synthesis. No non-amino-acid caps are indicated in the description.
In plain English
A lab-assembled chain of natural amino acids used to condition skin. It is made from the same building blocks that form proteins in the body.
CosIng definition: Hexapeptide-4 is a synthetic peptide containing, Lysine, Threonine and Serine residues
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2HEXAPEPTIDE-4. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3HEXAPEPTIDE-4. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=HEXAPEPTIDE-4