Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
August 2023 in “Dermatologic Surgery” Botulinum toxin might help with some scalp conditions, but more research is needed to confirm its effectiveness and safety.
October 2021 in “JAAD Case Reports” Topical glycopyrrolate lotion helped reduce excessive sweating from eating in a diabetic man.
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.