One will dye your hair blonde and one will dye your hair brown.
with hair dye
yes you can put blond hair dye in dark brown hair
You can dye it with hair products or you can bleach it
Yes.
No, they do not.
You use hair dye... to dye it.
Just dye your hair completely brown. Yes. It should cover it but you should use a darker brown.
yes, use hair dye
by black dye\
You should dye your hair: brown, black, a neutral blonde, or even if you have the right skin tone red.
you dye your hair black