Alopecia is a common yet distressing side effect of many cancer chemotherapeutic agents and radiation therapy (Seipp, Calif. in Cancer: Principles & Practice of Oncology (DeVita et al., Eds.) pp. 2135-2136, 1992; Cline, Cancer Nurs. 221-227, 1984; Merk et al., in Hair and Hair Diseases (Orfanos et al., Eds) pp. 601-609, 1990).