I'm 38 and have long box dye black hair which I quite like. However it's becoming increasingly difficult to keep on top of the greys and I'm having to colour my roots every 3-4 weeks. I'm wondering whether it's time for a change and to look for a colour that better hides the re growth. I've a 16 year old daughter and try to keep up to date with what's trendy etc but I really don't know what to do with my hair! Any help gratefully received!