My hair is coloured a medium reddish brown at the moment and has about half an inch of my natural roots, which is a lighter auburn colour. Im thinking maybe having my hair all like my natural colour. So i figure i either use Colour B4, the hair dye remover, which i know i'll probably have to stick a semi over straight after as there is a likely chance my hair will result in a orange hue. Or try a permanent dye in a really light blonde to try and lighten the lengths a bit, but i know its not going to take it to a level i want. I don't want to go down the highlights route or bleach as my hair has suffered enough last year, so desperately trying to keep damage at a minimum! Is Colour B4 really damaging?