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J Dermatol. 2014 Feb;41(2):149-52. doi: 10.1111/1346-8138.12275. Epub 2013 Nov 8.

Minoxidil 2% lotion for eyebrow enhancement: a randomized, double-blind, placebo-controlled, spilt-face comparative study.

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Department of Dermatology, School of Anti-aging and Regenerative Medicine, Mae Fah Luang University Hospital, Bangkok, Thailand.


Topical minoxidil has been successfully used to treat androgenetic alopecia. It can also be applied to enhance eyebrows. However, there is no study comparing minoxidil lotion with placebo for eyebrow enhancement. In this trial, we determined the efficacy and safety of minoxidil 2% lotion for eyebrow enhancement compared with placebo. Forty patients were randomized for minoxidil on the eyebrow on one side of the face and placebo on the other. Efficacy was evaluated by global photographic assessment, eyebrow diameter, eyebrow count and subject's satisfaction. Side-effects were also evaluated. Thirty-nine patients (97.5%) completed the study. After 16 weeks, the minoxidil group achieved significantly better results in all measured outcomes compared to the placebo group. Side-effects were minor and did not preclude patients from continuing the study. Our study suggests that minoxidil 2% lotion is a safe and effective treatment for eyebrow hypotrichosis.


eyebrow; hypotrichosis; minoxidil; placebo; topical

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