It feelssmooth and greasy.
It isinsoluble in water, ethanol, and ether.
It issoluble in hot water and hot ethanol.
It decomposesinto stearic acid and the corresponding magnesium salt when acidic.
Magnesium Stearate is used in cosmetics andpersonal care products like lipsticks, mascara, eyeliner, eye-shadow, facepowder etc. It is used in foundation, blushes, eyeshadow and pressed powdersthat can be stored in a compact.
Magnesium Stearate is an awesome ingredientfor people who have oily skin because it absorbs oil and helps in keeping theproducts on skin.
It improves adhesion, slip, and texture ofthe cosmetic products.
Magnesium Stearate is especially useful inpressed powders as it is able in to stick to skin as well as it will reduce theglide, slip, and skin feels of your product.
It is used as a pacifier, and non-gellingthickener as well as a film-forming and anti-caking agent for powder makeup.