Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
October 2025 in “Dermatologica Sinica” Combining laser therapy with other treatments effectively increases hair density and thickness for hair loss.
May 2023 in “Clinical, Cosmetic and Investigational Dermatology” More personalized and effective treatments for androgenetic alopecia are needed.
August 2025 in “International Journal of Research in Dermatology” Better standardization and transparency in statistical reporting are needed to improve hair care research quality.
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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.