TLDR A 5-year-old boy grew too much hair after using minoxidil, but it went away after stopping the treatment.
A rare case of generalized hypertrichosis was reported in a 5-year-old boy following the use of 3% topical minoxidil for alopecia areata. Despite normal laboratory results, the boy developed excessive hair growth on his face, trunk, and arms after 2 months of treatment. Upon discontinuing the minoxidil, the excessive hair began to shed after 2 months, and nearly complete resolution was observed 6 months post-treatment.
4 citations
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January 2017 in “Indian Dermatology Online Journal” A child used a hair growth lotion for hair loss, but it caused excessive hair growth on his face and neck instead.
January 2025 in “Dermatologic Therapy” Minoxidil with betamethasone is the most effective for hair regrowth in alopecia areata.
32 citations
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January 2019 in “American Journal of Clinical Dermatology” Minoxidil helps treat eyebrow thinning, monilethrix, early hair loss, and shortens chemo-related hair loss.
17 citations
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October 2013 in “F1000Research” A 2-year-old boy grew excessive hair after using minoxidil for hair loss, but it improved when the treatment stopped.
April 2023 in “Pediatric Dermatology” A 1-year-old boy developed excessive hair growth from exposure to a hair growth treatment.
12 citations
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January 2014 in “The Pan African medical journal” Minoxidil caused unwanted hair growth in a child, but stopped after stopping treatment.
