Nourishing Shampoo For all hair types. Milk_Shake Integrity Nourishing Shampoo, with its salt- and sulphate-free formula, cleanses hair gently and contains organic muru muru butter to help maintain hair color. It nourishes, conditions and moisturizes instantly while eliminating frizz, leaving hair soft and radiant. Organic muru muru butter is extracted from the muru muru seed, and is rich in fatty acids that have a nourishing, soothing and moisturizing effect on hair and skin. It also contains vitamin A to repair, nourish and strengthen hair.