Biomaser pigment are one of the most popular permanent makeup tattoo ink in the market. it is a 100% pure plant material, that doesn't hurt the skin. the low solubility and stability feature to ensure the pigment's easy color and perfect effect natural and abundant. It is suitable for different countries and different regions of the skin. it is achieving the medical grade health standard, have been sterilized by Gamma-Ray and tested by VONDER TESTING. Heavy metal content safe, Non-toxic, lead, mercury, and cadmium are all below national standards. Biomaser Pigments are the best organic pigments on the market today. The United States formulations, the United States imports 100% essence of pure plant extracts. Comes in 12 ml/bottles and they can be mixed together to produce Sub shades to ensure that is enough for all kinds of skin permanent makeup.