It depends. It depends on many things that are unique to every individual. A major factor that a shampoo being “the best” depends on is hair type. There are four main types of hair, according to Rebecca Joy Stanborough of healthline.com, and they are 1 straight, 2 wavy, 3 curly, and 4 coily. Reactions to shampoo can vary by hair type. Therefore, choosing the right shampoo can make all the difference! Marie Claire’s “The Best Shampoos and Conditioners, According to Our Editors” covers suggested types of shampoos for different types of hair!