September 2025 in “Chinese Journal of Plastic and Reconstructive Surgery” Botulinum toxin may help treat hair loss but needs more research for effectiveness and cost concerns.
11 citations
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January 2007 in “Veterinary dermatology” Fulvestrant at 10 mg/kg does not promote hair regrowth in dogs with alopecia X.
19 citations
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May 2020 in “American journal of men's health” Testosterone therapy helps boys with hormone deficiencies develop normal male characteristics and grow properly.
1 citations
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September 2021 in “Skin appendage disorders” Botulinum toxin injections can help treat common hair loss in men, but more research is needed to confirm this and understand how it works.
June 2024 in “Dermatology and therapy” Intramuscular injections improved hair density more than intradermal injections for treating hair loss.