Simethicone is a mixture of dimethylpolysiloxane and hydrated silica. Dimethylpolysiloxane is approved by the FDA for use as a direct and indirect food additive
二甲硅油是二甲基聚硅氧烷和水合二氧化硅的混合物。 FDA批准二甲基聚硅氧烷用作直接和间接食品添加剂
https://cosmeticsinfo.org/ingredient/simethicone