Thermochromic Pearl Pigment
This thermo pigment changes color starting at 84F or 30C. In the colder side it will be in a natural state of base color & when it warms up it will start changing over to white/clear. There are many different ways you can mix & make your own custom nails. For example, you can add small amount to your nail bottle or in your clear top coat.
This listing is for a 25 grams of the Thermo Pearl Pigment
Check out the blog post done on this product: http://idapie.blogspot.se/2012/11/a-manicure-using-thermochromic-pearl.html