These Powder Pigments are most usually added to clear epoxy castings (such as river table designs etc) but can also be added to Polyurethane resins and paints. We have yet to test them in nail art, candles etc.  They come in containers (not plastic bags) so that you can safely store them in between uses

They can be used to create unique designs and add shimmer to your finished pieces. 
Simply add the desired amount to your resin mixture (you can even mix different colors!) and 
 
For use with Epoxy resin, PU resin, water based and solvent based paints.