Nyo Cream Color, permanent hair dye. 4 shades of gray permanent dye, low ammonia content and odorless. Mix (1 + 1). Tones 7 and 8 are mixed with NYO peroxide at 4/8 vol. If applied to bleached hair (level 10) they give a grey/steel color effect. Tones 9 and 10 mixed with NYO peroxide at 4/8 vol. Booster makes the color more intense and bright. Can be used alone or mix (1 + 2). Opens the color up to 5 tones. If mixed with other shades, it intensifies the power of the color.
Tones 10.1-11.01 -11.91 are particularly light tones, they can be mixed together. To be used with double the amount of NYO peroxide at 25/40 Vol.