How we scored it
Where it comes from
Hydrolysed soy protein quaternised with a stearyl-dimethyl-hydroxypropylammonium chloride reagent.
In plain English
A conditioning ingredient that coats hair with a soy-protein derivative carrying a mild positive charge, helping hair feel smoother and less static. Made from soybean protein combined with a fatty, stearyl-based conditioning group.
CosIng definition: Octadecanaminium, N,N-dimethyl-N-[2-hydroxy-(3-(soy protein hydrolysate)propyl]-, chloride
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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.
- 2STEARDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3STEARDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=STEARDIMONIUM%20HYDROXYPROPYL%20HYDROLYZED%20SOY%20PROTEIN