One recent study performed in mice found that removing a stress hormone ... to slow hair loss or promote hair growth. Most cases of telogen effluvium do not require medical treatment.

The hair follicle cycle is divided into three distinct phases: anagen (growth), catagen (regression), and telogen (resting ... papilla-derived exosomes in mouse models. They isolated exosomes ...

1 The team studied the murine hair follicle, an organ that harbors stem cells and cycles between a telogen (resting) phase and an anagen (growing) phase. They built transgenic mice in which they could ...