Silicone has an odor, which is normal. Silica gel alias is silicic acid gel, is a kind of highly active adsorption material, is an amorphous substance. The main component of silica gel is silicon dioxide, chemical stability, no combustion. Silica gel has a strong adsorption capacity, can produce drying effect on human skin, therefore, the operation should be wearing good work clothes. If silicone gets in the eye, flush it with plenty of water and seek medical attention as soon as possible.