A good hair day starts before the first strand leaves the scalp. When the skin under your hair is balanced, hair can look fresher, feel softer, and respond better to the products you use. When the scalp is flaky, tight, oily, or irritated, even the best styling routine can fall flat. Scalp health is skin health. That means it can be affected by weather, washing habits, product buildup, stress, sensitivity, and the natural oil levels of the scalp. This guide covers common scal