Hirsutism - Symptoms and causes - Mayo Clinic - Causes of dark facial hair Like 89.67% | 525 votes Views: 131 305 Download Develop excessive body or. adrenal cancer. Categories: 2017 Comments: Add Comment Cancel By Jujinn - 11:33 Adrenal tumors. By Mezimi - 14:22 Congenital adrenal hyperplasia. By Vulabar - 21:43 Cushing's disease. By Shaktishicage - 06:28 Women develop excessive body or facial hair due to Certain medical conditions can cause a woman to produce too many androgens.