INSTANT GRAY BLENDING. Tones down gray for a natural blended look in 1 use. For guys who want to keep some of their gray Just For Men® Touch Of Gray® blends away a little gray but not all of it. With this easy no mix comb-in formula all you need is 5 minutes to instantly have a more balanced naturally blended salt and pepper look. Lasts up to 8 weeks until the grays grow back. Can t decide between two shades? Try the lighter one first. You can always go darker later.