milkshake integrity nourishing shampoo, with its salt- and sulfate-free formula, cleanses hair gently and contains organic muru muru butter to help maintain hair color. milkshake integrity nourishing shampoo 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.