For guys who want a foolproof way to get rid of gray hair color for natural looking results, there's Just For Men Easy Comb-In Color. This easy comb-in, no mix, no mess formula only takes ten minutes to color every single gray hair, and lasts until the gray hair grows back. Just For Men Easy Comb-In Color comes in many natural looking shades, so it's easy to find the one that truly matches your natural hair color. Can't decide between two shades? Try the lighter one first. You can always go darker later. Made in the USA.