Database/Antistatic/Hydroxypropyltrimonium Hydrolyzed Oat Protein
Mostly natural · ISO 16128

Is Hydroxypropyltrimonium Hydrolyzed Oat Protein natural?

Mostly. A natural protein hydrolysate carrying a small number of quaternary ammonium groups. The peptide, any fatty chain and the chloride are natural; the methylated nitrogen and the hydroxypropyl linker are petrochemical.

INCI nameHydroxypropyltrimonium Hydrolyzed Oat Protein
FunctionAntistatic · Hair Conditioning
FeedstockProtein hydrolysate reacted with a glycidyl or chlorohydroxypropyl…

How we scored it

Per ~1,000 Da of peptide (natural protein hydrolysate) one quaternary group: chloride 35.5 Da (mineral) natural; N + 3×CH3 59.1 Da and hydroxypropyl C3H6O 58.1 Da petrochemical; 1035.5/1152.6 = 0.90. Substitution level is supplier-dependent; the same model is used for every quaternised protein in this wave.
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

Protein hydrolysate reacted with a glycidyl or chlorohydroxypropyl quaternary ammonium reagent.

In plain English

Oat protein broken down into smaller pieces and given a mild, permanent electrical charge so it clings to hair. Helps condition hair and reduce static and frizz.

CosIng definition: Proteins, oat (Avena sativa), hydrolyzed, N-(3-trimethylammonio-2-hydroxypropyl)-, chlorides

Natural alternatives with the same function

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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. 2HYDROXYPROPYLTRIMONIUM HYDROLYZED OAT PROTEIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3HYDROXYPROPYLTRIMONIUM HYDROLYZED OAT PROTEIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=HYDROXYPROPYLTRIMONIUM%20HYDROLYZED%20OAT%20PROTEIN