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Botulinum toxins show promise in treating various conditions, but more research is needed for hair and scalp disorders.

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.

This study found that Botox® was most effective at a 25 U/ml concentration, while Dysport® and Neurobloc® were optimal at 100 U/ml for producing anhidrotic areas after injections.

This review discusses botulinum toxin A as a treatment for various types of hair loss and reports no clinical results; the authors emphasize the need for comprehensive evaluations and further research.

This study suggests that a mild intramuscular dose of botulinum toxin improved spermatogenesis and sperm parameters in ageing mice.

In this review, researchers examined nine studies on botulinum toxin type A's effects on biomarkers in chronic head and neck conditions, finding significant, though low to moderate certainty, changes in markers like CGRP and serotonin associated with inflammation and mood disorders.

This article reviews the clinical applications of botulinum toxin, highlighting its effectiveness in treating various pain conditions like diabetic neuropathy and chronic migraines and noting future research should focus on enhancing safety and efficacy.

This review discusses the broadening scope of botulinum toxin applications beyond traditional uses, highlighting its effects on non-neuronal cells and potential in treating various dermatological conditions, without reporting new clinical findings.

This review discusses the use of botulinum toxin for hair and scalp disorders and reports mixed findings, with most studies showing mild or non-significant effects on hair growth.

This narrative review discusses expert consensus on the optimal use of botulinum toxin injections for cosmetic applications in facial and oral-maxillofacial areas across Asian and Caucasian populations, highlighting injection techniques, effective doses, historical context, and potential complications.

This review discusses botulinum toxin's experimental off-label uses in dermatology, highlighting promising results but emphasizing the need for more clinical trials to confirm efficacy and safety.

This chapter discusses the potential therapeutic applications of Botulinum toxin for various non-cosmetic skin conditions, such as acne, rosacea, and hyperhidrosis, highlighting case reports and some randomized controlled trials that indicate promise in alleviating discomfort, inflammation, and excessive sweating.

This review discusses the dermatological applications of botulinum toxin, including off-label uses for various skin conditions, and calls for a better understanding of underlying muscular anatomy for effective clinical practice.

This article reviews the literature on the off-label use of botulinum toxin for dermatological conditions, highlighting its potential effectiveness in treating rosacea, anal fissures, Raynaud phenomenon, hypertrophic scars, keloids, and hidradenitis suppurativa.

This review reported on botulinum toxin's potential in treating dermatological conditions like hidradenitis suppurativa, rosacea, androgenetic alopecia, plaque psoriasis, and primary hyperhidrosis, highlighting initial efficacy but indicating a need for controlled trials to confirm safety and effectiveness.

This study reviewed recent advancements in using botulinum toxin for treating androgenetic alopecia and emphasized the need for further research to determine the most effective injection sites and depths, as current strategies show inconsistent results.

This review reports that botulinum toxin is used in dermatology not only for treating rhytides but also for conditions like rosacea, hyperhidrosis, and menopause-related flushing, although its full safety and efficacy profile requires more research.

This review concluded that botulinum toxins have various potential off-label uses for dermatological conditions, but further research is needed to fully establish their efficacy and safety in these applications.

This study found that iodine deficiency, iodine excess, or the presence of antithyroid substances affected growth and behavior in Wistar rats, leading to various symptoms such as lethargy and alopecia.

This case report describes a woman with refractory trichodynia who became asymptomatic after receiving botulinum toxin type A injections, suggesting potential efficacy of this treatment for persistent trichodynia.

This study found that subcutaneous administration of Botulinum toxin type A significantly reduced histamine-induced itch intensity and neurogenic inflammation in human skin compared to saline.

This study found that in mice with alopecia areata, a single subcutaneous injection of botulinum neurotoxin serotype A significantly reduced hair loss and stimulated hair follicle regeneration.

This study explores the hypothesis that preoperative administration of botulinum toxin could enhance hair transplantation outcomes by improving scalp microenvironment and reducing ischemia-induced graft failure, using a randomized split-scalp controlled trial design.

This article outlines a randomized trial to evaluate whether preoperative botulinum toxin administration can improve hair transplantation outcomes by reducing ischemia-induced graft failure.

This study outlines a randomized trial investigating the effects of botulinum toxin administered before hair transplantation to potentially improve outcomes by enhancing blood flow and reducing graft failure due to ischemia in androgenetic alopecia patients.

This study found that late embryonic skin injuries can regenerate multiple tissue types, but this ability is hindered postnatally due to fibroblast-driven hyperinnervation, which can be mitigated to enable regeneration.

In this review, BTXA treatment was reported to effectively increase hair density and improve follicle health in androgenetic alopecia patients by enhancing scalp blood flow and reducing inflammation, without significant adverse effects.

This registered trial will investigate whether preoperative botulinum toxin can improve hair transplantation outcomes by enhancing blood flow and reducing ischemia in the scalp.

This study outlines a randomized trial to assess if administering botulinum toxin before hair transplantation can improve outcomes by enhancing blood flow and reducing ischemia-induced graft failure in patients with androgenetic alopecia.

The study suggests that lateral oblique forehead lines result from muscle contractions and can be effectively treated with onabotulinum toxin A, rather than being caused by sleeping position.