Barrier ingredient to make mica safe?
Hello there! I am a professional makeup artist and curious brain haver. I am interested in learning how to make my own makeup just for fun and for personal use. I want to make a simple liquid highlighter using mica and a lightweight oil, but I have heard that mica is toxic and needs some kind of barrier ingredient in order to not be absorbed into the skin? Any suggestions on what kind of ingredient I should add to my mica and oil in order to make it non-toxic? Thanks in advance!
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