Back to Ingredient Dictionary

QUATERNIUM-73

Description

Quaternium-73 is a quaternary ammonium compound widely used in personal care and cosmetic formulations. This cationic surfactant functions primarily as a conditioning agent and antistatic additive in hair care products, particularly shampoos and conditioners. Its chemical structure allows it to adsorb onto negatively charged hair surfaces, forming a protective film that enhances manageability and reduces static electricity.

In skincare applications, Quaternium-73 serves as an emulsifier and viscosity modifier, contributing to the stability and texture of creams and lotions. Its ability to form complexes with anionic ingredients makes it valuable in formulations containing both cationic and anionic components. The ingredient demonstrates mild antimicrobial properties, which can help preserve product integrity.

While generally considered safe for use in cosmetics, some individuals may experience sensitivity to quaternary ammonium compounds. Formulators should consider potential irritation when incorporating Quaternium-73 into products for sensitive skin. The concentration of Quaternium-73 in finished products typically ranges from 0.1% to 5%, depending on the specific application and desired effects. Regulatory bodies, including the EU Cosmetics Regulation and FDA, have established guidelines for its use in personal care products.