Aluminum/Magnesium Hydroxide Stearate Good Emulsifier No known benefits Aluminum/Magnesium Hydroxide Stearate at a glance Aluminum and magnesium hydroxides + stearic acid Texture enhancer Emulsifier Improves viscosity Used in amounts from 1.5-30% Aluminum/Magnesium Hydroxide Stearate description Aluminum/magnesium hydroxide stearate is a compound that combines the opacifier aluminum hydroxide with absorbent magnesium hydroxide and the fatty acid stearic acid. The resulting ingredient is used as a texture enhancer in cosmetics, particularly in creams and lotions. Aluminum/magnesium hydroxide stearate is used specifically to help emulsify formulas and enhance viscosity. Typical usage rates are generally low (around 1.5%), though in some thicker products the amount can be up to 30%. Related ingredients: Aluminum Hydroxide Magnesium Hydroxide Stearic Acid