2 citations
,
May 2021 in “European medical journal” Botulinum toxins are safe for various medical and cosmetic uses, but more research is needed for long-term safety and effectiveness in hair growth treatments.
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.
12 citations
,
January 2016 in “Skin appendage disorders” Repeated botulinum toxin injections for forehead wrinkles may cause hairline recession in some women.
10 citations
,
October 2014 in “Plastic & Reconstructive Surgery Global Open” Botulinum toxin type A injections improved hair growth and scalp health in a woman with radiation-induced hair loss.
24 citations
,
December 2010 in “Dermatologic surgery” Botulinum toxin type A injections are not effective for severe alopecia areata.