Subtle tone hd high definition color without ammonia the subtle tone hd innovation, the new multi-dimensional semi-permanent ammonia-free coloring, based on a new formula ultra brillante, combining the cosmeticity of 2 exceptional vegetable oils and the quality of pure pigments beauty of the color, high coloring power and an irreproachable homogeneity 70% coverage of white hair no root effect shine and shine unmatched mirror effect, multidimensional color softness, cosmetic formula that protects the hair fiber milestones application techniques: booster the shine of a shade on natural hair mix in 1 + 15 share of developer for a perfect revelation 1 + 2 developer for a touch of brightness while lightness pause time 20 minutes cover the first white hair optimal coverage up to 70% 1 share of natural shade subtle tone + 1 shade to reflection + 15 part of developer pause time: 20 minutes sublimer your blonds pastelliser in full or partial 1 + 2 developer or 1 + 3 break time 5 to 10 minutes capacity: 60 ml.