Alopecia universalis (AU) is a disease characterized by a nonscarring, total body hair loss of unknown etiology. It is associated with other autoimmune diseases and serum autoantibodies, and abnormalities on complement function are sometimes detected.1,2 In this article, we relate a case of persistent hair regrowth following high-dose chemotherapy and autologous stem cell transplantation (ASCT) for a non-Hodgkin lymphoma in a patient with extensive AU.