Im 38 and have quite a lot of grey hair.
It's thicker than my brown hair and I wonder if people would think it looks slovenly or unprofessional as it's neither all brown nor all grey.
I work in quite a smart environment and I've noticed that everyone else colours theirs.
I really don't mind it but hairdressers keep telling me to start colouring it and I wonder what other people would think. It's quite noticeable.