Hair dye with collagen, maroon red 6.66 from Nitro Canada

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. Product features: Contains nourishing collagen serum for hair, contains a very low percentage of ammonia, and is rich in collagen. Hair dye does not cause splitting or damage. The formula gives you a natural reddish color with high permanence, full coverage of white and gray hair. How to use: Mix a quantity of hair bleaching cream in a non-metallic bowl with double the amount of oxidizing cream and collagen serum, then mix well. Divide the hair into four sections. Apply the product to the hair, keeping it 1 cm away from the roots for the last time. Leave the product on the hair for 30 to 40 minutes (depending on the desired bleaching level), then rinse thoroughly with water.