Whether youre looking for the best hair dye for short hair or the best all natural hair dye for men even the best dye for. However ammonia can also make hair very dry especially if its grey. The Cool Guy Hair Color Kpop Korean Hair And Style Switching to silver grey hair colors can cost anywhere between 500 and 1000 depending on the salon you. Grey hair colour men . Many experts recommend ammonia free hair colors for this reason. Going too dark is one of the biggest mistakes women and men make when coloring gray hair themselves keller says. Let your hair gray naturally. Going gray is a serious process. Hair colour is due to a pigment called melanin which. Gray hair alas is all but inevitable for most men. But that doesnt mean we have to live with it. Permanent hair color needs to be mixed with a developer creme to activate it and often contains ammonia which allows the color to penetrate the outer layer of th...