Blueberry Pie Thermochromic Pigment

Heat Sensitive Powder – Thermochromic Colour Changing Pigment Blueberry Pie – Transforms from Blue to Purple. Using our Heat Sensitive Colour Changing Powder – Violet-Blue, you will see your purple creation shift to blue before your very eyes. This reversible reaction means that when your piece is cool it will return to its original colour. These powders are so cool you can also use them in cosmetics!