How we scored it
23-residue peptide of proteinogenic amino acids only (including cysteine and histidine), all n=1; no cap named, so 1.0. Synthesis reagents and protecting groups leave no mass.
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
Amino acids from fermentation or protein hydrolysate are assembled by solid-phase or solution peptide synthesis. Recombinant or enzymatic assembly is an alternative and gives the same natural-origin value.
In plain English
A peptide chain of 23 amino acids, made in a laboratory and used as a hair- and skin-conditioning ingredient. It is built from common amino acids, which come from fermentation or from hydrolysed plant or animal protein.
CosIng definition: Oligopeptide-236 is the synthetic peptide containing 23 amino acids consisting of alanine, cysteine, glutamic acid, glutamine, glycine, histidine, leucine, lysine, phenylalanine, proline, serine, tyrosine and valine.
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.
- 2OLIGOPEPTIDE-236. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3OLIGOPEPTIDE-236. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=OLIGOPEPTIDE-236