The micas that Colorescience uses are ethically sourced. They are sourced from various parts of the world, including Japan, U.S. Mica is not a derivative of asbestos. Our mica vendors adhere to global regulations pertaining to the quality and safety of cosmetic ingredients. The mica used in Colorescience products is mined and processed to meet consistent standards of high quality, safety and aesthetics. Our mica passes or exceeds the standards for heavy metal and microbial testing.