What is the use of L'Oreal Professionnel Serie Expert Vitamino Color Color Protective Mask for Dyed Hair? Vitamino Color professional hair care series - designed to make your dyed hair color last longer for up to 8 weeks. Vitamino Color Special Mask for Dyed Hair is formulated for dyed and processed hair and contains extracts that protect hair color. It gives extra shine to dyed hair in 1 minute while restructuring the hair fiber. It increases the durability of the hair strand by strengthening the bond between the hair cuticles. It prevents water from accumulating on the hair surface by creating a protective film layer. Thus, the hair is protected from the fading effect of water. It protects the hair against the damaging effects of sunlight. It helps maintain hair color for a long time. It creates vibrant and bright hair colors that do not fade or flow. It nourishes the hair to eliminate the damage caused by the dye. Creates easy-to-comb-soft and manageable hair. How to Apply L'Oreal Professionnel Serie Expert Vitamino Color Color Protective Mask for Dyed Hair? Wash and rinse your hair with Vitamino Color Special Shampoo for Dyed Hair. Spread the mask by massaging the lengths and ends of the hair. Let it sit for 1 minute. Hear it well. It is recommended to use it at most 2 times a week.