Thicker, fuller, and healthier hair starts at the scalp, and this potent leave-in scalp and hair treatment works to balance the scalp's pH and support hair follicle health while improving the appearance of hair density. Our breakthrough plant-powered science promotes hair growth and reduces shedding. It helps protect and preserve color-treated and bleached hair. Use this trio: Revitalize+ Shampoo and Conditioner and Nourishing+ Hair and Scalp Leave-In Treatment for optimum results.