Until recently the only version of minoxidil available for women was the 2% topical solution. In february, 2014, the fda granted approval for rogaine to sell the 5%Minoxidil daily use foam treatment for women. A review of clinical test data shows when used as directed woman experienced the same amount of hair regrowth for the 2% topical solution compared to the 5% foam. These results were noticed after using the 12 weeks, 24 weeks and even 52 weeks. Additionally, johnson & johnson/mcneil ppc inc. Owns the patent rights on the 5% foam for women. As such, they retain exclusive rights to sell this under the rogaine name until february 2017. This prohibits any other company from selling the 5% foam for women.