SummaryAnorexia Nervosa (A.N.) is a relatively common eating disorder with well recognized psychological and physiological features. A study of 14 female patients with A.N. revealed a number of dermatological disorders, including lanugo hair, xeroderma and hyperpigmentation.Laboratory investigations revealed various abnormalities including elevated Beta‐carotene levels, abnormal sex hormone and thyroid function. An unusual finding was the development of acne in a small subset of patients at the time of weight gain, during recovery from A.N.Anorexia Nervosa represents a useful model for the interaction between eating disorders, endocrine function and the ski