Suddenly, in my late 60s, my hair started coming out in clumps— handfuls would come out in the shower when I shampooed, when I combed it, when I blew it dry, even if I just t ouched it.

My name is Carol Winig—I'm a 70-year-old retired nurse from Jupiter, Florida, and this is my hair loss story. Then, one day, Hairmax caught my eye while I was shopping at a big box store I ...