What age did your DDs start dyeing their hair?
DD is only 11 - off to secondary in September and she has mousy hair that she doesn't like. I can sympathise as it's the same natural colour as mine. I started dyeing at 16 and never stopped. Mine's mostly a couple of shades darker (mid or chocolate brown) but occasionally a redder henna colour.
She really wants to do the same. From a school point of view I can't see any problem or objection to her darkening it a few shades, and adding some gloss and condition at the same time. I'm happy to help her do it, but I don't like the thought of the chemicals on her scalp and it wouldn't be a one-off, it would need doing every few weeks.
Has anyone else had a DD start dyeing hair in Y7? Any tips on safer / milder hair dyes?