High Stability Coloured Oxidizer, specially formulated to enhance the quality of the colouring cream and ensure long lasting results. To be mixed with permanent oxidation colours or with bleach, follow the mixing instructions of the product it is mixed with Oxicolor BLUE is recommended on natural colours, ash and violet. Oxicolor RED on red, mahogany, golden and copper colours. Oxicolor VIOLET for use on neutral light blonde shades, decoloured or streaked hair to tone down golden hues. It contains hydrogen peroxide (3%).