Tar-based shampoos can make the scalp sensitive to sunlight and stain light-colored hair. Follow the shampoo label to determine how and when to use the product. Generally, once the dandruff has ...

If you click on links we provide, we may receive compensation. For cleaner hair, increased circulation, and a healthy scalp Cai Cramer is a shopping writer at PEOPLE.com with 2 years’ experience ...