A blue top coat formulated for dark blonde to dark brunette hair neutralises and tones brassy orange hues, leaving you with silky, shiny strands in just 5 minutes. Immediate results that are long-lasting.100% VeganTo use:Step One: After preferred Pureology shampoo, remove excess water from the hair.Step Two: Apply Color Fanatic Top Coat + Tone Blue evenly throughout hair. When using Top Coat + Tone Blue apply to previously colour-treated areas to neutralise unwanted tones.Step Three: Leave in for 5-10 minutes and rinse thoroughly.Step Four: Finish with your preferred Pureology conditioner or mask, only if necessary.