Shampoo: It seems like it should be the simplest step in hair care, yet contradictory advice about it seems to be coming out of everyone's ears. To clear things up, we approached Josh Rosebrook, celebrity hair stylist.
While washing your hair, do you sometimes stop and wonder if so much of it should be going down the drain? We do. So we asked Diane Berson, MD, a leading dermatologist and national hair loss expert, for advice.