Lets you keep some gray. Works gradually. The first and only hair treatment formulated to let you keep a little gray. Great for men who want to look their best, but don't want to get rid of all their grays. A Real First: No mix, no mess applicator. The first men's no-mix, no-mess system., 5 minutes, zero mess. Works Gradually: Total control. With each application, you control how much gray goes. Gentle and long lasting. No ammonia, no peroxide. Yet the natural look lasts up to 6 long weeks. The perfect look. A little gray to show your experience, but not so much that it hides your vitality. No mix; Comb in.