Database/Humectant/Pentapeptide-2
100% natural origin · ISO 16128

Is Pentapeptide-2 natural?

Yes. Arginine, glycine, isoleucine, serine and tyrosine are fermentation or protein-hydrolysate amino acids; coupling reagents and protecting groups leave no mass.

INCI namePentapeptide-2
FunctionHumectant
FeedstockAmino acids from sugar fermentation or protein hydrolysis…

How we scored it

Five residues (Arg, Gly, Ile, Ser, Tyr) only; no acyl cap named, no formula supplied. All atoms from amino acids: 1.00.
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 sugar fermentation or protein hydrolysis are joined by peptide synthesis. No alternative route changes the value.

In plain English

A short chain of five amino acids (arginine, glycine, isoleucine, serine and tyrosine) used as a humectant, which helps a product hold water. The amino acids come from fermentation or plant protein and are linked together in a factory.

CosIng definition: Synthetic peptide containing arginine, glycine, isoleucine, serine and tyrosine residues

References

  1. 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.
  2. 2PENTAPEPTIDE-2. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3PENTAPEPTIDE-2. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PENTAPEPTIDE-2