Sublingual minoxidil increases hair thickness in men with hair loss.
January 2026 in “Dermatologic Therapy” Botulinum Toxin Type A can increase hair density and improve hair thickness in androgenetic alopecia with minimal side effects.
July 2025 in “The Journal of Dermatology” 5% topical minoxidil may help reduce hair loss and increase hair growth in telogen effluvium.
Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.