Description: Nitro Canada Cinema Collagen dye gives your hair a beautiful color with high permanence, with a therapeutic formula that protects your hair from splitting during the dyeing process and treats damage through collagen material that penetrates deeply into the hair to give it shine and vitality. Benefits: - Contains nourishing collagen serum for hair - Contains a very low percentage of ammonia and rich in collagen - Hair dye that does not cause splitting or damage to the hair structure - Gives you a natural medium ash blonde color with high permanence - Full coverage of white and gray hair