Janis ought to know from her roots which it would be. Roots grow in pretty fast, and if she has the white hair of her dreams under that brown dye then a week after a dye job she’ll start showing the skunk stripe. She probably has dark grey sprinkled with white.
Yeah, I’ve noticed that the “C” word gets thrown around with abandon by Brits. I don’t think I’ve ever heard an American use it so casually (or at all, really, though I realize someone somewhere is doubtless saying it).
And they like to leave a response so as not to be rude!