Because you’ll be sweating more in the hotter, summer months, you might find you have to shampoo your hair more frequent just to maintain some basic hygiene. Though it’s not always the ideal solution for those prone to dry hair, it’ll be necessary to maintain a healthy scalp. “The solution is to scrub the roots without scrubbing the ends,” says Tracy Strycker “Simply let the shampoo rinse through the ends as you rinse it out.”