This is a perfectly normal response and is nothing to cause alarm. The progesterone simply is causing the body to rid itself of excess stored estrogen which can sometimes stimulate a uterine shedding thus breakthrough bleeding. If this continues for longer than several months, you should consult a physician. Especially Above My Upper Lip that Requires Shaving Occasionally. This is a condition called hirsutism, defined as excessive growth of facial and body hair.
Progesterone acts as a regulator for the entire endocrine system.
A women who has the hirsute problem probably has PMS too. Natural progesterone is needed to affect proper hormonal balance. The cream which contains natural progesterone is reported to be effective for relieving symptoms of hot flashes. Most women have reported a complete cessation of flushing within three to eight weeks. Many medical authorities tell female patients who are postmenopausal that osteoporosis is inevitable if they live long enough.