Hey Babe. I was actually joking about you using Rogaine on your face, but have found out that it will work. Here:

Will minoxidil (i.e., Rogaine) enhance my facial hair growth?

While minoxidil has been approved for increasing hair growth on the top of the head, it has not yet been marketed or tested specifically for facial hair growth. However, there have been anecdotal reports regarding increased beard growth with application of minoxidil (see the minoxidil discussion on the Beard Board for details). When considering anecdotal reports about minoxidil use on facial hair, it should be noted that FTMs who are not on testosterone therapy would probably not show comparable results to post-pubescent non-trans men or FTMs who have been taking testosterone for some time. It should also be noted that anecdotal reports are not the same as clinical medical evidence, and thus the reader should proceed with caution and speak to their doctor for specific medical advice.

The exact process by which minoxidil causes its results is not fully understood, but it has been shown to stimulate head and body hair growth in some people. Women who use minoxidil for scalp hair loss are cautioned to avoid application to the face in order to avoid unwanted facial hair growth; this would indicate that increased facial hair growth via topical minoxidil is indeed possible, though to what degree (i.e., how much hair growth, and the thickness and quality of the new hair) remains largely unstudied.

Minoxidil was first used in tablet form as the drug "Loniten," an antihypertensive, to treat high blood pressure. An unexpected side effect of Loniten was that some patients experienced excessive hair growth. As a result, a topical solution of minoxidil was developed for application directly on the scalp to stimulate hair growth. This product is marketed in the United States as "Rogaine," though it can also be obtained under other names and as a generic. It typically comes in 2% and 5% solution, usually in a lotion form. Topical minoxidil does not require a prescription; it can be purchased over the counter in many drugstores.

When used on the scalp, minoxidil requires twice-a-day application, and it may take from 3 to 6 months for the user to see an effect. Again, minoxidil is not approved for use on the face, so it is unclear if the dosing for the scalp is appropriate for use on the face. It stands to reason that results from minoxidil would probably take at least several months of continued application. Caution should be exercised when using any medication, and questions or concerns should be directed to your doctor or dermatologist.

Another word of caution for those considering minoxidil for facial hair growth: there have been anecdotal reports of additional hair growth in places other than where the drug was applied, such as the chest, back, abdomen, and unusual facial hair growth by some users (i.e., very high on the cheeks just under the eyes). Some of this growth can continue well after discontinuation of minoxidil. If these risks are a concern, you may not wish to use minoxidil.

Common side effects of minoxidil include skin irritation, itch, contact dermatitis, hives, swelling, and sensitivity. Rare side effects include blurred vision, chest pain, decreased libido, difficulty in maintaining an erection, fast or irregular heartbeat, flushing, headache, lightheadedness, numbness or tingling of the hands, feet, or face, or rapid weight gain.