Simethicone is a mixture of dimethylpolysiloxane and hydrated silica. Dimethylpolysiloxane is approved by the FDA for use as a direct and indirect food additive
二甲矽油是二甲基聚矽氧烷和水合二氧化矽的混合物。 FDA批准二甲基聚矽氧烷用作直接和間接食品添加劑
https://cosmeticsinfo.org/ingredient/simethicone