Bruchilda, I just did my treatment once again with Kerapremium, after my final color correction. I made sure I got my hair to the color I really wanted, then did the treatment right after coloring the hair. And it did not pull any copper tones, or any color changes!!!!! I am happy, happy, haaaaaappy!!
I think that coloring the hair after the treatment will remove some of the treatment. I noticed that hair was not as shiny and soft when I did this. (I waited 2 weeks before coloring)
That is why I rather color first then apply treatment over the hair color.