White flakes on the scalp are not always dandruff. A dermatologist explains how to tell dandruff from dry scalp, fungal infections, psoriasis and other scalp conditions.

The modern scalp is under siege. Pollution, hard water, styling products, sweat, stress, and infrequent washing cycles all contribute to buildup that shampoos alone can’t always address.

The “skinification” of hair has been trending for a few years now, encouraging us to spend more focus (and money) on the importance of scalp care for overall hair health. The theory is that washing ...