Just For men Original Formula Hair is a permanent hair colour for men. With a time of action of just five minutes, the colour is simple and fast and the result lasts a long time. The colour gradually covers the grey hairs and sits until the hair grows out, you can wash your hair as often as you want. The colour from Just For Men has a patented technology that prevents hair from being overdyed so as not to get a hair that looks unnaturally coloured. Dark Brown (H-45)/dark brown. The packaging is sufficient for staining.