Unless you have really oily hair, you should give hair and scalp a rest for at least a day betweenshampoos. For those of us with oily hair who don't want to wash every day, consider a dry shampoo.
Since washing hair too much strips hair of oils and even color if you've had a dye job, you're better
off washing every other day and sprinkling a bit of dry shampoo at the roots and hairline. If you
want to save money, skip the fancy dry shampoos and try baby powder. I hear it works even on
brunette hair.
