In most cases, you can easily blame excess hair on your face on your hormones. Male hormones called androgens are responsible for the development of certain 'manly' features like deepening of voice or production of sperm. And the one hormone behind all this is called testosterone. But women produce testosterone too, albeit in smaller quantities. If, for some reason, this hormone's level increases in women, it leads to increased sex drive, irregular menstrual cycle and yes, excessive facial and body hair.
One of the main causes of high levels of male sex hormones in premenopausal women is Polycystic Ovary Syndrome (PCOS), a condition which causes cysts to grow around the edge of the ovaries (the organs which produce eggs and sex hormones). PCOS also results in excessive hair growth, acne and weight gain. Some women are stuck with this condition in the post menopause stage too, when the hormonal imbalance fails to rectify itself after menopause has passed.
Besides blaming it all on the hormones, here are some other causes you should know about:
Most cases can be treated with: