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What is Rogaine?

It’s not clear how Rogaine works. One theory is that it opens up the blood vessels and stimulates the hair follicles with increased blood flow. It may work better on the top and back of the scalp than it does on the front or sides.

In medical studies, 40 to 75 percent of men who used Rogaine for 12 months reported new hair growth. Among women who used it for eight months, 46 to 60 percent grew new hair. It may take up to four months to see Rogaine’s effects. If you don’t see results after four months, you should stop using it and see your doctor.

To maintain new hair growth, you must continue to use Rogaine every day. If you stop treatment, your hair will return to its pre-treatment growth pattern. Apply Rogaine twice a day, once in the morning, when your scalp has dried after you wash your hair. Then apply it again in the evening - an hour or two before you go to bed - so that it has time to dry completely. Be sure to wash your hands after each application.

Pregnant or nursing women should not use Rogaine. Also, people who are age 18 or younger should not use this product unless directed by a doctor. If you don't have a family history of hair loss, or if your hair loss is patchy or sudden, check with your doctor before trying Rogaine.

Sources:
Micromedex Healthcare Series. Micromedex, Inc., 2001.
Rogaine product information, Pharmacia & Upjohn, 1998.
Rogaine Product Information, www.rogaine.com, Pharmacia & Upjohn. Last Accessed 3/20/01.

This answer prepared 3/20/01.