Synthetic fluorophlogopite. According to Public Health official website, polyvinylpyrrolidone is a kind of nonionic polymer compound, which is widely used in medicines, foods, cosmetics and other articles, with relatively high safety and no danger. Synthetic fluorophlogopite is made of chemical raw materials by high temperature melting, cooling and crystallization, which can be used as colorant and filler, and toxic substances will appear when used excessively.