I used Colour B4 about 3 weeks go to lift out years of med-dark brown dye out of my hair.
I was pleased with the results, I was left with a light ginger brown colour. However, it has since re-oxidised over the weeks & has become darker, like a dark auburn brown. I followed the colour B4 instruction to the letter, rinsing for at least 20 mins in total.
If I was to put on another Colour B4, will it just re-oxidise again? I want to achieve the lighter ginger brown colour I had after first doing the Colour B4. Or would I be better putting the pennies towards a bleach bath at the hairdressers, if they still do that?!