I have ultra white platinum hair. Of course I'm a little on the over processed side (lol) but I've also been able to keep it on the healthier side of things. My mishap, I got a wild hair up myyyyyyy and had a friend throw in a low light which turned out really pretty but waaaaaaay too red. I am a PM avid user and have used PM Backtrack on my own clients but never with someone whose hair is as light/ processed as mine. My question is of anybody knows how much if any damage my hair will sustain?