How we scored it
Peptide built from amino acids, including 2,3-diaminopropionic acid; amino-acid-based actives counted natural.
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
Built by coupling 2,3-diaminopropionic acid to a tripeptide, all amino-acid-based building blocks. Reagents used in peptide coupling leave no mass in the final product.
In plain English
A lab-made peptide active built from amino acid building blocks, used as a skin-conditioning ingredient in skincare formulas.
CosIng definition: Diaminopropionoyl Tripeptide-33 is the product obtained by the reaction of 2,3-diaminopropionic acid and Tripeptide-33
Structure
(2S)-2-[[(2S)-1-[(2S)-2-(2,3-diaminopropanoyloxyamino)propanoyl]pyrrolidine-2-carbonyl]amino]-3-(1H-imidazol-5-yl)propanoic acid
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.
- 2Diaminopropionoyl Tripeptide-33. PubChem CID 169450585. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3DIAMINOPROPIONOYL TRIPEPTIDE-33. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4DIAMINOPROPIONOYL TRIPEPTIDE-33. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DIAMINOPROPIONOYL%20TRIPEPTIDE-33