How often can I use a semi-permanent hair dye?

I want to dye my hair blue but I'm worried the colour will go to green, also which dye should I use to bleach my hair (my hair is red and purple at the minute). Is manic panic a good hair dye for the actual colour and will it dye my hair evenly with...

Ok, so I'm going to dye my hair black and have the underneath blue. Well the kit I had bought for the blue a few months ago I used the bleach but didn't put the blue in because my fiance talked me out of it. So, I'm finally wanting to use the blue and...

i bleached my hair a couple days ago and it turned out brassy in some spots. i know that if i use a shampoo with purple tones in it it'll fix it, but i don't have shampoo like that. i do, however, have purple hair dye. i used the purple hair dye under...

I plan on dying my hair a dark purple this summer (and don't judge me because it's my decision to do this) and I want to know which hair dye to use. I'm going to go to a salon and get them to bleach it because I'm hoping that will help it last longer...

NEED HELP ASAP PLZ. So I went to the salon and got small pieces of my hair bleached (four sections though out my head and a part of my bangs) it looks awesome but I kind of came to the desistion that its just not my style. So at the salon they had to...

ok i read on a site that if you use semi/demi permanent hair dye to sye a streak of your hair, your supposd to mix the rest of the dye with a shampoo/conditioner adn use it once a week to refresh the colour, could i just mix the dye with a shampoo and...

http://www.pharmapacks.com/product_image… Here's the hair dye I got. I have naturally black asian hair. I dyed it brown and then dyed it again with a dark brown hair dye. I dont like having a dark hair color so I'm trying to get it back to brown...

Hiya. (: My hair's dark brown & I have the pieces that frame my face bleached blonde. What would happen if I were to use a hair dye that says it's for dark hair only on my entire head & the blonde pieces? It's a bright red dye. I've used that...

i naturually have red hair but dye it dark brown. the thing is i want it meduim brown but i cant because medium brown isnt dark enough to cover my red hair. but with brown i have to leave it in longer cuz if i dont leave it in long enuf it wont take...