Back to Ingredient Dictionary

MYRISTOYL ETHYLTRIMONIUM METHOSULFATE

Description

Myristoyl Ethyltrimonium Methosulfate is a quaternary ammonium compound widely used in the personal care and cosmetics industry. This cationic surfactant serves multiple functions in skincare and haircare formulations. Its primary role is as a conditioning agent, providing softness and manageability to hair and skin. The ingredient's chemical structure consists of a long-chain fatty acid (myristic acid) attached to a positively charged nitrogen atom, which allows it to adhere to negatively charged surfaces like hair and skin.

In skincare products, Myristoyl Ethyltrimonium Methosulfate acts as an emulsifier and thickening agent, helping to stabilize formulations and improve texture. It also exhibits antimicrobial properties, contributing to product preservation. The ingredient is particularly effective in leave-on and rinse-off products, including conditioners, moisturizers, and cleansers. Its ability to reduce static electricity makes it valuable in hair care formulations, especially for detangling and smoothing purposes. While generally considered safe for topical use, some individuals may experience mild irritation. As with any cosmetic ingredient, patch testing is recommended for those with sensitive skin or a history of allergic reactions.