what is milk_shake incredible milk? milk_shake incredible milk is a powerful leave-in spray with 12 benefits —it's complete care for incredible hair. A proven fan-favorite and all-time best seller, this unique leave-in spray delivers 12 nourishing and protecting benefits instantly to hair. From exceptional detangling to powerful protection and more this no-rinse formula delivers instant, incredible results. Milk proteins and muru muru butter condition and soften while fruit extracts of blueberry, raspberry, papaya & mango deliver antioxidants for protection. If hair is dull, damaged or dry, you will see incredible results in just one spray.