How we scored it
Peptide from Glu,Lys,Pro; condensation water lost only → 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
Synthesised from three fermentation-derived amino acids joined by peptide bonds. No petrochemical route is used.
In plain English
A small lab-made peptide built from three natural amino acids, used to help condition skin.
CosIng definition: Tetrapeptide-14 is a synthetic peptide consisting of glutamic acid, lysine and proline
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.
- 2TETRAPEPTIDE-14. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3TETRAPEPTIDE-14. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TETRAPEPTIDE-14