July 2024 in “Journal of the American Academy of Dermatology” Botulinum toxin may help treat male pattern baldness.
June 2026 in “Dermatology and Therapy” In this retrospective analysis, patients with trichodynia who were unresponsive to standard treatments showed significant symptom improvement after receiving intradermal botulinum toxin type A, with nearly all patients benefiting, particularly those with scarring alopecia.
In this study, botulinum toxin type A injections reduced the severity of treatment-resistant scalp psoriasis in more patients compared to placebo over a 12-week period.
9 citations
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January 2023 in “Cellular and Molecular Life Sciences” This study found that intrauterine administration of botulinum toxin A improved endometrial environment and receptivity in a murine model of thin endometrium through mechanisms involving IGFBP3 and osteopontin.
September 2025 in “Chinese Journal of Plastic and Reconstructive Surgery” This review reports that while botulinum toxin shows potential mechanisms for treating androgenetic alopecia, recent high-quality trials found no significant hair density improvement compared to placebo, indicating it can't yet replace traditional treatments.
26 citations
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April 2006 in “Cephalalgia” Botulinum A toxin injections reduced pain and promoted hair regrowth in a woman with a rare form of alopecia areata.
December 2025 in “Mendeley Data” This registered trial will investigate whether preoperative botulinum toxin can improve hair transplantation outcomes by enhancing blood flow and reducing ischemia in the scalp.
June 2024 in “Research Square (Research Square)” This study observed that combining botulinum toxin type A with Minoxidil significantly promoted hair growth, improved quality of life, and enhanced patient satisfaction in male androgenetic alopecia patients at 4 and 6 months, with no adverse effects compared to using Minoxidil alone.
13 citations
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May 2020 in “Journal of Plastic Reconstructive and Aesthetic Surgery” This systematic review found inconclusive evidence on the effectiveness of botulinum toxin for treating alopecia and highlighted the need for further prospective randomized controlled trials.
March 2025 in “Journal of Cosmetic Dermatology” The study found that botulinum toxin-A significantly increased the diameter of the supratrochlear artery in a small patient group, suggesting potential vasodilatory benefits for treating ischemic conditions.
24 citations
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December 2010 in “Dermatologic surgery” In this study, BTXA injections did not effectively treat recalcitrant alopecia areata or improve hair regrowth in most patients, suggesting its limitations as an alternative therapy.
July 2020 in “Journal of The American Academy of Dermatology” This article discusses the authors’ response to comments on their study about intradermal botulinum toxin's effect on androgenetic alopecia, reporting no new findings.
1 citations
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January 1886 This document reviews various types of microbes, their roles in fermentation and diseases, and strategies for protection against microbial infections, but presents no new research findings.
November 2025 in “Journal of Microbiology and Biotechnology” In this study, combining Botulinum toxin type A with Platelet-rich plasma was found to enhance hair follicle growth and reconstruction, potentially through inflammation reduction and activation of the Wnt/β-catenin pathway via STMN1 protein modulation.
July 2025 in “Actas Dermo-Sifiliográficas” This study found that a single session of botulinum toxin, whether administered subcutaneously or combined intramuscularly and subcutaneously, did not significantly improve hair density or hair quality in men with androgenetic alopecia after six months.
12 citations
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August 2015 in “Plastic Surgery” This study found that botulinum toxin type A significantly reduced skin flap necrosis in rats exposed to cigarette smoke, suggesting it may help improve flap viability in smokers.
1 citations
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June 2011 in “대한구강악안면외과학회지” This case study reports an epidermoid cyst diagnosis in a woman who developed swelling in the left parotid gland following botulinum toxin injection in the left masseter muscles.
15 citations
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January 2020 in “BioMed Research International” In this study of patients with androgenetic alopecia, botulinum toxin type A was found to significantly increase hair counts and improve hair density and coverage, with enhanced results observed when combined with oral finasteride, revealing a safe and effective treatment approach without adverse effects.
April 2024 in “Skin research and technology” This study suggests that while subcutaneous Botulinum Toxin Type A may offer short-term symptom improvement for female pattern hair loss, its effectiveness does not extend beyond three months.
January 2026 in “BULLETIN OF STOMATOLOGY AND MAXILLOFACIAL SURGERY” In this randomized controlled trial, both Botulinum Toxin-A and Triamcinolone Acetonide showed substantial effectiveness in treating patchy Alopecia Areata, but Botulinum Toxin-A avoided complications while Triamcinolone led to skin atrophy in 16.7% of patients.
November 1999 in “Australasian Journal of Dermatology” This article discusses various dermatological topics from different journals but does not present any new clinical findings.
1 citations
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September 2021 in “Skin appendage disorders” This systematic review of five studies found that intradermal and intramuscular botulinum toxin injections showed promising hair growth outcomes for men with androgenic alopecia, but emphasizes caution due to a lack of control groups and small sample sizes.
May 2025 in “Actas Dermo-Sifiliográficas” The study did not find evidence to support using botulinum toxin as a treatment for androgenetic alopecia.
1 citations
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July 2020 in “Journal of The American Academy of Dermatology” This review discusses the potential mechanisms by which intradermal botulinum toxin may affect androgenetic alopecia but notes that high-evidence clinical trials have yet to show conclusive results.
7 citations
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January 1998 This article reviews various cosmetic procedures like botulinum A exotoxin and chemical peels for aesthetic enhancement but reports no new clinical findings, emphasizing existing methods.
15 citations
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May 2013 in “Ophthalmic Plastic and Reconstructive Surgery” In this case study, repetitive botulinum type A toxin injections led to almost complete resolution of severe chronic pain in a patient with Parry-Romberg syndrome.
June 2009 in “マテリアルインテグレ-ション” This review discusses the most popular non-surgical cosmetic procedures pursued by men and highlights the importance of sex-specific considerations in treating male cosmetic patients; it reports no new clinical results.
4 citations
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April 2021 in “Journal of Cosmetic Dermatology” Botulinum toxin may help hair loss by increasing blood flow and reducing harmful factors.
In this case report, off-label onabotulinumtoxin-A was successfully used to treat trichodynia, a painful scalp sensation associated with hair loss, in a patient unresponsive to conventional therapies.
Botulinum toxin-A may increase hair growth and reduce hair loss in men with baldness, and injecting near blood vessels can improve pain relief and last longer.