Browse the milk_shake® colour specifics range - the professional innovation for colour-treated and lightened hair. Specific treatments and essential products to enhance and complete colouring treatments for beautiful, locked-in hair colour. milk_shake® colour specifics products contain milk protein for a deep, restoring, conditioning action inside the hair’s cortex, while aloe vera extract has a calming, anti-irritant and soothing action on skin, making hair conditioned and soft.