I've read this with a lot of interest.....I am 77.....have become a complete caretaker to my DH who has to be fed by a tube......it really takes up most of my time....so I am letting my hair, which is quite thin, go natural.....so far, there is still enough of the darker color in it (medium ash)to give me some color......I can't afford either the time or expense to have it done professionally every month so either way I go, it's all the way! Coloring it takes time and the roots are showing up more often these days and I don't want to color it too often......I'll keep reading comments.....very interesting. So far, most in favor of the Gray, have nice thick hair....I don't have thick hair and it is WHITE!