As you may already know, most often the cause of hair loss in cancer patients is not the cancer itself, but the treatment. According to a 2015 study, approximately 65% of cancer patients undergoing chemotherapy experience hair loss during treatment. That's a large percentage of the population that experiences the same serious side effect. The specific mechanism of hair loss due to chemotherapy is actually a type of hair loss called telogen effluvium. Telogen effluvium is a hair loss condition in which one of the three phases of your hair growth cycle is disrupted. The primary phase of the hair growth cycle is called the anagen phase. This is where hair grows, and 90 percent of your hair should be in this stage at any given time. It then enters a resting phase called the catagen phase before...