Do you mean pastel hair dye? It depends on if you use a permanent dye or a semi-permanent. Semi-permanent hair dyes will wash out and fade over time; permanent hair dyes will stay in the hair until you cut it or dye it another color.
then why do u wash your hair?
Never. Hair cannot wash itself you must wash it.
They do wash their scalp, and if they have any hair left, they wash it.
if you dont mind bein blonde use lime juice if not wash wash wash wash wash wash and you should be fine
Women should wash their hair at least every two days. But I wash my hair everyday.
Yes because some hair dyes will only work if your hair is pure white such as pastel colors
Yes, you should wash your hair if you are sweaty. Washing your hair is on an "as needed" basis. If your hair is greasy or sweaty you need to wash it.
You should wash your hair every week if you have thick hair and you don't always put oils in your hair. UNLESS you have thin hair. You should wash your hair hair every other day!
It is very easy to wash your hair. You need to wet your hair, put shampoo on your hair, lather and rinse.
Although I wash my hair everyday, it is said to wash your hair every other day in order to keep the natural oils and not dry out your hair.
There is no "good" or "bad" time to wash your hair.
They can wash their hair, there is no reason that they cannot.