Do you know Will Other Drugs Affect Minoxidil Topical Form? Male pattern baldness is treated with minoxidil solution and foam in an effort to encourage hair growth. Male frontal baldness and receding hairlines are not treated with it. To encourage hair growth, women with thinning hair can combine the foam with a 2 percent minoxidil solution. A group of drugs known as vasodilators includes Minoxidil For Women. It is unclear how minoxidil encourages hair growth. This medication does not treat hair loss brought on by childbirth, sudden or uneven hair loss, or hair loss with no apparent cause (such as when there is no family history of the condition). Do not use this product if you are under the age of 18.