Just for Men Control GX Anti-Dandruff is the first shampoo smart enough to gradually reduce gray hairs by slowly bringing them back to their natural shade while it cleanses your hair and prevents dandruff. You get an extremely natural look - just by washing your hair. Just use it instead of your usual shampoo until you like what you see. Then use it in rotation with your usual shampoo to maintain the look you like. There's never been an easier way to control your gray hairs.