Just For Men Shampoo-In Haircolor in Real Black H-55 is a high-quality hair coloring product that is perfect for men who want to cover up gray hair. This shampoo-in haircolor is easy to use and provides natural-looking results that last for weeks. The Real Black shade is perfect for men with dark hair, and the H-55 shade ensures that the color is just right. With Just For Men Shampoo-In Haircolor, you can achieve a youthful, natural-looking appearance without having to visit a salon.