Stearalkonium Bentonite
Stearalkonium Bentonite is the INCI name for bentonite clay treated with stearalkonium chloride (a quaternary ammonium compound). Used as a rheology modifier in cosmetic formulations to provide pigment suspension, viscosity control, and thixotropic behavior. Found in NISHKA products NISH 8002, NISH 8004, and NISH RGI GEL.