Steardimonium Hydroxypropyl Hydrolyzed Soy Protein
INCI: STEARDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN
Reviewed by Emma · Last updated 18 Aug 2026
What Is Steardimonium Hydroxypropyl Hydrolyzed Soy Protein?
Steardimonium Hydroxypropyl Hydrolyzed Soy Protein (INCI: STEARDIMONIUM HYDROXYPROPYL HYDROLYZED SOY PROTEIN) is a cosmetic ingredient listed in the EU CosIng inventory. Octadecanaminium, N,N-dimethyl-N-[2-hydroxy-(3-(soy protein hydrolysate)propyl]-, chloride.
Its declared cosmetic functions are antistatic, hair conditioning and skin conditioning.
Source: European Commission CosIng inventory.
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