Amaze your surroundings with true colour in full glory with the new era of Igora Royal, which will fulfil any colouring wish you have, whatever your hair type, style or age. Expect perfect coverage of white hair and the highest saturation of fashionable shades. The new Igora Royal will give your hair a perfectly unified colour even on damaged hair. You no longer have to worry about the colour fading quickly. Thanks to advanced technologies, it will provide your hair with up to 50% longer colour retention and 25% better vibrancy.Usage:Mixing. = dyeing to darker shades, dyeing to pastel shades* 6%/20 Vol. = dyeing tone-on-tone, 1-2 degrees of lightening, covering white hair* 9%/30 Vol. = 2-3 degrees of lightening, 3 degrees of lightening when dyeing with a 10-* 12%/40 Vol. = 3-4 degrees of lightening when dyeing with a series of 10. Mixing ratio: 1:1 (e.g. 60ml Igora Royal hair dye + 60ml Igora Royal Oil Developer)Special lightening: 4-5 degrees of lightening, 12%/40 Vol. 1:2 mixing ratio (e.g. 30ml Igora Royal hair colour + 60ml Igora Royal Oil Developer)Direction for use: apply to dry, unwashed hair.