24 citations,
December 2010 in “Dermatologic surgery” Botulinum toxin type A injections are not effective for severe alopecia areata.
Both treatments improve hair growth, but minoxidil is cheaper.
July 2020 in “Journal of The American Academy of Dermatology” Botulinum toxin affects hair follicles, inhibiting TGF-B1 secretion; more research ongoing.
15 citations,
April 2020 in “Journal of The American Academy of Dermatology” Botulinum toxin injections may help treat hair loss by blocking harmful secretion in hair follicles.
1 citations,
July 2020 in “Journal of The American Academy of Dermatology” Botulinum toxin may help treat hair loss by relaxing scalp muscles, improving oxygen and blood flow.