Don't you know that your Toxic?A neon greenToxic UV is not for the faint hearted, make the crowd stop and stare. Looks amazing in natural and UV blacklight. These new latest shades are perfect for making a statment. For best results apply to pale or platinum blonde hair. For optimal results apply to pre-lightened hair. Crazy Color dyes do not require the addition of peroxide. Apply Crazy Color cream directly to towel dried, damp hair. Spread the solution evenly through the hair with a comb. It is recommended thatlatex glovesare used during this process. Leave the colour to soak into the hair for 15 to 30 minutes, then rinse thoroughly until the water runs clear. For resistant hair it is recommended to use a hair cap and leave the dye in the hair for up to 40 minutes.