@shell4life - I, too, wondered why cosmetic manufacturers would even bother to use zinc stearate if it is dangerous. It is used in so many types of makeup. Zinc Stearate salts are used to make eyeshadow, eyeliner, lipstick, mascara, face powders, foundations, and blushes.
The reason for their use is that stearate salts provide lubrication. They also keep the oil and liquid in makeup from separating. Stearate salts increase the oil portion’s thickness in personal care products and in cosmetics. These salts also reduce transparent or clear appearances of these products.