American Crew Classic Gray Shampoo is an optimal maintenance for graying hair. This shampoo contains balancing properties to remove brassy yellow tones from gray and graying hair. It also works to prevent brassiness in hair that has been bleached or dyed blonde. Hydrolyzed Milk Protein provides ultimate conditioning to combat dryness and maintain moisture. Direction for Use: Wet hair thoroughly. Massage a small amount onto hair and scalp and rinse well. Repeat if necessary.