My first question...
I just bought some temperary blue hairdye for homecoming but then i read the label and it said not to use on hair that has been bleached in the past year due to staining. i just bleached my hair about a month a go.Has anyone had any experience with this.. especially blue.

No but why not try a strand test?

Yeah i dont know why i didnt think of that. I decided im not going to use it for homecoming,however, because when my sister was in 3rd grade she put temperary black hair spray in her hair to be cleopatra for halloween. Well, lets just say by the end of the halloween party at school she had sweated and her whole entire face was covered in black plus part of her costume and since at homecoming i normally sweat like a man i dont think i will risk it.

im still thinking of doing it for halloween or somethign like that tho so i will try the strand test.

I used blue spray on bleached hair and it took a couple washes for it to come out completely.
I used black spray on bleached hair that had been dyed red and blue and it came out immediately with clarifying shampoo.
It's best to get your hair a little greasy so the spray doesn't stick as much.