Just For Men Control GX Hair Color Shampoo #4ozControl GX 2 in 1 is the first grey-reducing shampoo and conditioner that gradually reduces greys while it cleans, conditions and revitalizes your hair. Control GX 2 in 1 Shampoo and Conditioner has a breakthrough triple-patented formula that provides subtle, gradual results so you’ll always have a natural look. All this by doing something you were going to do anyway – shampoo your hair.