Hair Dye Answers

I dyed my hair black back in December of 2007, & I want to dye it blue-black with Raw Demi-permanent dye from Hot Topic. I know if I dye my hair blue-black with it already being black I won’t be able to see the blue in it. I really don’t want to be a blonde for a long period of time. So how long should I wait between bleaching & then dying it again?

My daugher wanted to add natural colored red streaks to her beautiful blonde hair. When it was rinsed out, the streaks had spread, & it’s PINK blotches. How do we get back to her natural color? We need a quick fix, but a healthy one too.

I bought Natural Instinct semi permanant hair dye. It had the dye, this white liquid & six week worth of conditioner. Instead of mixing the dye & the white stuff my mom mixed the conditioner & the white stuff. We put it in my hair for half an hour. While I was washing it out she realized the mistake. My hair color hasn’t changed, it’s just very very soft now. How soon can I try to dye it without ruining my hair? Will that white stuff damage my hair if I do it too soon?
I did it Saterday night. I leave for vaction Thursday. I want to do it by then, can I?
Someone tell me please. There is a shot at 10 points for answering my question with a logical answer.