research Assessment of Efficacy of Different Botulinum Toxin A Concentrations in the Treatment of Androgenetic Alopecia Assessed by Dermoscopy August 2023 in “Journal of Cosmetic Dermatology” Higher concentration of botulinum toxin A is safe and effective for treating hair loss in men and women.
research Efficacy of Autologous Platelet-Rich Plasma Combined With a Non-Cross-Linked Hyaluronic Acid Compound in the Treatment of Female Androgenetic Alopecia: A Retrospective, Case-Series Study June 2023 in “Journal of Cosmetic Dermatology” The treatment combining platelet-rich plasma and a non-cross-linked hyaluronic acid compound significantly improved hair density and reduced bald areas in women with androgenetic alopecia, and it's safe with only mild side effects.