Perhaps your hair are turning grey but you are not aging. Try Just For Men's shampoo-in hair color and replace those grey strands. If you are not too sure about which color will look best on you, medium brown shade is a suitable color to go for. The ammonia-free formula reconditions dry and bristly hair with protein, vitamin E, aloe and chamomile, providing a rich texture to your hair. Keeping the natural oil of hair intact, it gives full coverage to grey hair in 5 minutes. Simply mix, apply and rinse like a shampoo. The results after-dye may vary due to your natural hair color.