Colour Mills unique Aqua Blend pigments are your best friend for turning oil & fat sensitive products into bold and brilliant bakes. How to use it? Before getting started, use the bottle lid to pop a hole in the seal and give the bottle a good shake. The pigments pack a punch so take it slow when colouring, starting with just a few drops and mixing as you go. Tip: If you have time and for the best results, let your mixture sit overnight.FeaturesColour Intensity - created using Pigments instead of Dyes (far more resilient to fading).