Concentrations to be used vary on the formulation you are trying to make. For example, liquid soap will require less colorant whereas compact powders will require much more.
Cosmetic Applications:
Hair Spray, Shampoo, Perfume 0.1-10.0%
Body Lotions & Creams 1.0-5.0%
Lotions and Cream 2.0-5.0%
Blush & Foundation 2.0-10.0%
Makeup Powders 5.0-10.0%
Eyeshadow Pencils & Eyeliner Pens 2.0-15.0%
Nail Polish 2.0-20.0%
Eyeshadow 10.0-40.0%
* Not used in lip products or bath bombs since it has Chromium Oxide Green
INCI: Fluorphlogopite (Synthetic Mica), Titanium dioxide, Iron Oxide, Chromium oxide green