Different botulinum toxin products and concentrations can effectively reduce sweating, itching, bladder pressure, hair loss, and muscle spasms.
Botulinum toxin-A may increase hair growth and reduce hair loss in men with baldness, and injecting near blood vessels can improve pain relief and last longer.
12 citations
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January 2016 in “Skin appendage disorders” Repeated botulinum toxin injections for forehead wrinkles may cause hairline recession in some women.
26 citations
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July 2005 in “Optometry and vision science” Botulinum A toxin injections may cause hair loss on the face and loss of eyelashes.
May 2018 in “Journal of Sun Yat-sen University”