Apply approximately 3-4 pumps of product into palm of hands, work through wet hair with hands, gently moving from root to tip. A rich, explosive lather will coat the entire scalp and length of hair. Rinse thoroughly with warm water, making sure to completely rinse areas behind the neck and ears. It is a color safe formula that is safe for everyday use and suitable for all hair types. Follow with other Potion 10 products for optimum results.