... 3.Can be used as Colorants & Preservatives [Product Introduction]This product is the use of 99.99 percent gold as ... antimicrobial, anti-inflammatory drugs, and medical equipment, health supplies, beauty care equipment.*Living daily commodity, such as food, beverages, nano- ... gold soap, toothbrushes, all kinds of beauty mask etc... [Usage]Cosmetics in general 3-5ppm [Product Specification ]1/2/20kg