Hair shedding: a normal part of life or a cause for concern? by Siddhi Camila Lama, Ph.D. | Jun 6, 2025 | Seasonal Hair LossDoes the build-up of hair on your hairbrush worry you? Maybe it’s the rather large clump of hair you found when cleaning the shower that’s making you feel concerned. You’re not alone. Hair shedding – which can refer to a little or lots of hair...