How can I dye my hair for a few days and revert to my normal color later?

I naturally have dark blond hair, but for a week our school is having a set of costume days. Part of my costume is black hair. How can I dye my hair black and revert to my normal hair color later?

How can I dye my hair for a few days and revert to my normal color later?

they sell spray on hair color for costumes you can probably get it at a costume store..but since you have blonde hair it might take a while for it to come out...can you wear a wig?

How can I dye my hair for a few days and revert to my normal color later?

If you dye your hair black for a few days then you would have to dye it again (dark blond) to make it seem like you natural hair color.

How can I dye my hair for a few days and revert to my normal color later?

Dye it black then shave it all and wait for ur natural color to grow back

or dye it black and wait until ur hair starts growing then cut the black edges

it's better than dying ur hair twice in a short period .. it will harm ur hair

How can I dye my hair for a few days and revert to my normal color later?

Use a semi like napro live colour! (a little secret I learn't is that to get a semi permanent colour out quicker is to use a anit dandruff shampoo - like selson blue 5 the stongest soloution or a chlorine stripping shampoo removes the colour heaps quicker!)

How can I dye my hair for a few days and revert to my normal color later?

hair spray, or you can get a semi permanant dye that washes out [or fades] after like 10 washes.

How can I dye my hair for a few days and revert to my normal color later?

I did something similar in high school, and even though the color was supposed to wash out in 2 washes, it stayed even after 30 something washes. I had to have my hair bleached to get it out. I would just wear a wig.