Bigen EZ Color for Men in Black is a permanent hair color that provides excellent coverage for gray hair. With its 10-minute application time, you can quickly and easily achieve a natural-looking black hair color. The unique cream formula allows you to use and mix as much product as you need, saving the rest for future touch-ups. This makes it ideal for routine touch-ups and for users with shorter coarse hair. Follow the directions on the package for best results.