The Best What To Do When Your Hair Color Goes Wrong References. Web 7 common diy hair color mistakes 一 and how to fix them 1. If that’s the case, make sure to tell your stylist immediately.

You dyed your hair too dark you might be wondering how you can naturally lighten hair that was dyed too dark — which. Usually, it is done to lighten a dark shade or vice versa. Don't forget if you do go somewhere else they may use a different brand of colour making it even harder to try to colour match.