Instant Gray Blending reduces grey tones for a natural, harmonious look in just one application. For men who want to keep some of their grey, Just For Men Touch Of Gray blends away a little grey, but not all of it. With this simple, non-blendable comb-in formula, you only need 5 minutes to instantly achieve a more balanced, naturally blended salt-and-pepper look. Lasts up to 8 weeks until the grey grows back. 4 subtle colour shades. Choose the shade that best suits your hair. The 4 shades of Touch Of Gray subtly fade out some grey tones, so you can choose the shade that best matches your natural colour: light brown, medium brown, dark brown or black.