24 citations,
December 2010 in “Dermatologic surgery” Botulinum toxin type A injections are not effective for severe alopecia areata.
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.