13 citations
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May 2020 in “Journal of Plastic Reconstructive and Aesthetic Surgery” This systematic review found inconclusive evidence on the effectiveness of botulinum toxin for treating alopecia and highlighted the need for further prospective randomized controlled trials.
12 citations
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December 2018 in “Dermatologic Therapy” Small Botox dose effectively treats hair loss in Chinese men.
12 citations
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January 2016 in “Skin appendage disorders” This study reports that women receiving periodic injections of botulinum toxin type A for forehead wrinkles may experience frontal alopecia, with progressive hairline recession observed in the cases studied.
10 citations
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October 2014 in “Plastic & Reconstructive Surgery Global Open” In this case study, Botulinum toxin type A injections were associated with improved hair growth and scalp condition in a patient with radiation-induced alopecia, though the mechanisms remain speculative.
9 citations
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June 2013 in “Journal of Cosmetic Dermatology” The study suggests that lateral oblique forehead lines result from muscle contractions and can be effectively treated with onabotulinum toxin A, rather than being caused by sleeping position.