The three most popular formats of dry shampoo—spray, powder, or liquid—each offer unique pros and cons, depending on your hair and scalp type. There's immense innovation happening in the dry shampoo ...

Medically reviewed by Brendan Camp, MD Dry shampoo helps absorb oil and refresh hair without washing, but using it too often can cause build-up, irritation, or dandruff. While dry shampoo isn't a bad ...