Behentrimonium Methosulfate

BEHENTRIMONIUM METHOSULFATE

Data confidence:High

Function

Antistatic Agent, Hair Conditioning Agent, Skin Conditioning Agent

EWG Safety Score

4/10Moderate concern

About this ingredient

Behentrimonium methosulfate is a quaternary ammonium salt conditioning agent derived from behenic acid that functions as an antistatic and hair/skin conditioning ingredient. It improves hair manageability, reduces frizz, and imparts softness and smoothness to hair and skin surfaces. Commonly used in rinse-off formulations such as conditioners, leave-in treatments, and styling products.

Found in 2+ sunscreens