Just for Men Shampoo-In Hair Colour allows you to still have that touch of grey to your hair, but not so much that it covers your vitality. Touch of Grey is incredibly easy to use and allows you to decide how much or how little grey you want to keep. It is available in all hair shades and the ammonia and peroxide-free formula conditions your hair, so that it is left looking completely natural and in great condition. With no mixing, there’s no mess and the process takes just 5 minutes!