I have dyed my hair with a permanent deep reddish brown(Garnier 3.6) today, only it has come out a very red colour which i can't stand.Can I redye it a natural brown(Garnier 5) without creating further problems?
As I understand it, if you're going darker it's ok, it's only if there's peroxide, or going blonder that you're in trouble. But hell, what do I know!! If you can wait, go and see a hairdresser and get them to sort it out, or at least ring the professionals on Monday. good luck!