Fumed silica serves as a universal thickening agent and an anticaking agent in powders. It is used in cosmetics for its light-diffusing properties. It is used as a light abrasive, in products like toothpaste. Other uses include filler in silicone elastomer and viscosity adjustment in paints, coatings, printing inks, adhesives and unsaturated polyester resins, Unsaturated polyester resins, laminating resins and gel coates, HTV­ and RTV­2K ­silicone rubber, Cable compounds and cable gels, Plant protection, Food and cosmetics.