Running your hand over freshly shaved skin can feel like a surprise. A day or two later, those short stubbly points feel rougher and sharper, and the regrowth looks darker at first glance. It’s easy ...

My hair often felt dry and brittle before I realized the importance of scalp care. “Hair follicle bulbs, the bottom-most portion of the hair follicle, reside in the dermis,” explains board-certified ...