This sumptuous brush was designed to use with our Advanced Mineral Foundation and Set and FInish Powder, providing custom coverage. Swirl Powder Foundation Brush in the cap of your mneral foundation and/or Set and Finish Powder and quickly dust (circular motions) the fine natural hair all over face to create a smooth, even, naturally buffed appearance. May also be used with pressed powder. Tip: Dust fine thin layers over face until desired coverage is achieved. Remember it is easier to add a thin layer than it is to start over.