For iSuoChem® Cosmetic grade pearl pigment, from the selection of mica and strict control of coating materials to the particularity of the process, We must ensure that heavy metals are within the standard range, eliminate the use of excess standards, and limit heavy metal materials to prevent heavy metal pollution in the process and the production of microorganisms in the control process. Use ICP inspection control to ensure product quality. (Mainly pay attention to whether heavy metals and microorganisms exceed the standard)