1Locks the hair color and slows down the color fading. Care and repair damaged hair after dyeing. 2Let the hair color return to the newly dyed state, replenish and lock color for the faded hair. 3Can be used with a variety of colors of coloring conditioner, create beautiful and fashionable hair color. 4Easy to use, safe ingredients, mild and nonirritating, has no harm to hair and skin, you can use it with confidence. 5Multiple colors of hair coloring conditioner are optional, you can choose according to preference.