Back to Ingredient Dictionary

AMMONIUM SULFATE

Description

Ammonium sulfate is an inorganic compound widely used in hair care formulations, particularly in shampoos and hair colorants. This crystalline salt, with the chemical formula (NH4)2SO4, serves multiple functions in hair products. As a buffering agent, it helps maintain the optimal pH balance of formulations, ensuring their stability and effectiveness. In hair dyes, ammonium sulfate acts as a key component in the oxidation process, facilitating the development and fixation of color within the hair shaft.

The ingredient's primary role in shampoos is as a thickening agent, contributing to the desired viscosity and texture of the product. Additionally, ammonium sulfate exhibits mild cleansing properties, aiding in the removal of dirt and excess oils from the scalp and hair. Its ability to enhance foam formation and stability in shampoos improves the overall user experience.

While generally considered safe for use in cosmetics, some individuals may experience scalp irritation or dryness with prolonged exposure. As with any hair care ingredient, it's essential to monitor individual reactions and discontinue use if adverse effects occur. Formulators often combine ammonium sulfate with conditioning agents to mitigate potential drying effects on the hair.