Our Sparks! are made from a thin, smooth and uniform mineral platelet of Calcium-Aluminum-Borosilicate. This means they are: a) mineral based, and b)softer to the touch.
Here are some tips for making the best of your Sparks!:
Mix gently, avoid using a coffee bean grinder or similar device. The more transparent the base, the more glittery the effect (example: lip balm instead of lip stick). These are really a great additive to glitter up just about anything, but are especially pretty in pearl colors.