Temporary baldness may also be caused by heavy use of contraceptive pills or during post-partum recuperation. Tri-Service General Hospital dermatologist Hsu Wen-chung says that people constitution ally disposed to male baldness usually have oily skin. Excessive fat beneath the skin reduces the blood supply to the scalp, starving the hair follicles of nutrition.
三軍總醫院皮膚科醫師許文重說，具有雄性禿體質的人，一般以油脂性皮膚者居多，因其皮下脂肪多，使頭皮的血液供應減少，連帶使毛囊營養供應不足，以致頭髮在青春期後與一般人反其道而行，由正常髮毛逐漸退化成柔軟纖細的「柔毛」，最後則成禿頭狀態。