Pureology Colour Glaze is a high-gloss blue topcoat that neutralises brassy orange tones and restores softness and shine for up to 8 washes. A blue top coat formulated for dark blonde to dark brunette hair neutralises and tones out brassy orange hues, leaving you with silky, shiny strands in just 5 minutes. Immediate results that are long lasting. This high-gloss blue top coat is perfect for correcting your hair colour fast and long lasting results. Pureology products are made with vegan formulas without animal derived products or by-products. Pureology never tests on animals.