A Randomized, Single-Blind Trial of 5% Minoxidil Foam Once Daily Versus 2% Minoxidil Solution Twice Daily in the Treatment of Androgenetic Alopecia in Women

June 2011 in “ Journal of The American Academy of Dermatology ”

Ulrike Blume-Peytavi, Kathrin Hillmann, Ekkehart Dietz, Douglas Canfield, Natalie Garcia Bartels

minoxidil 5% minoxidil foam 2% minoxidil solution androgenetic alopecia hair growth Rogaine

TLDR 5% minoxidil foam once daily works as well as 2% minoxidil solution twice daily for female hair growth and is more convenient.

This study compared the effectiveness and safety of once-daily 5% minoxidil foam with twice-daily 2% minoxidil solution in treating androgenetic alopecia in women. The study found that the 5% minoxidil foam was as effective as and noninferior to the 2% minoxidil solution in stimulating new hair growth. The 5% minoxidil foam was also found to be significantly superior to the 2% minoxidil solution with respect to convenience of use, improved compliance, and better product acceptability. The study concluded that once-daily 5% minoxidil foam is an effective and safe product for improving hair growth in women with androgenetic alopecia.

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Research cited in this study

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