What it is: A treatment that helps to restore scalp imbalances, relieve irritation and revitalize hair.What it does: This concentrated, lightweight formula features antioxidant-rich argan oil as well as geranium and lavender essential oils to nourish and soothe the scalp. Salicylic acid provides mild exfoliation to help minimize flakiness. How to use: Divide your hair into sections and apply 3-6 drops of treatment to each one. Massage into your scalp and leave on for 5-10 minutes. Comb through, then rinse. Follow with shampoo and conditioner. Use weekly to start and less frequently as condition improves. 1.5 oz.