January 2007 in “UKnowledge (University of Kentucky)” This study found that steers grazing on toxic tall fescue with continuous hair growth and reduced sweating had impaired thermoregulation, leading to decreased grazing activity and poor performance.
August 2023 in “Dermatologic Surgery” This systematic review suggests that botulinum toxin may be effective for treating certain scalp conditions, but the current evidence varies widely in quality and often derives from small observational studies.
4 citations
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January 1988 in “Cosmetics and toiletries” 0.1% piroctone olamine in hair tonics effectively treats dandruff.
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.
This study on albino mice found that hair tonic formulations using methanolic and ethanolic extracts of Beta vulgaris L. promoted hair growth, with the ethanolic extract showing greater effectiveness in terms of length and diameter, potentially due to antioxidant and anti-inflammatory effects.
January 2017 in “Archives of Aesthetic Plastic Surgery” This study reported that using a shampoo and tonic containing horse placental growth factor improved hair thickness and density in postpartum women over three months.
December 2019 in “International journal of scientific research in science and technology” This study developed and validated a simple and cost-effective spectrophotometric method to accurately determine Aminexil in cosmetic formulations containing niacinamide and pyridoxine.
2 citations
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January 2019 in “Recent Advances in Biology and Medicine” This study found that a combination of 5% DMSO and BSA minimizes toxic effects on the cytogenetic stability of dermal papilla cells during cryopreservation.
26 citations
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July 2005 in “Optometry and vision science” This case report documents unilateral madarosis and facial alopecia as potential adverse effects of botulinum A toxin injections in a patient treated for left oromandibular dystonia.
22 citations
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July 1987 in “Transplantation” This study found that topical cyclosporine significantly prolonged the survival of skin allografts in a rat model, with maximum effectiveness achieved through local direct application.
9 citations
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June 2013 in “Journal of Cosmetic Dermatology” 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.
1 citations
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November 2017 in “JFL : Jurnal Farmasi Lampung” In this study, researchers found that hair tonic formulations containing Nothopanax scutellarium extract enhanced hair growth in male rabbits over 21 days, with the 25% concentration showing comparable effects to a minoxidil-based positive control.
January 2026 in “International Journal of Health Engineering and Technology” In this study, researchers evaluated the effects of green spinach leaf extract on hair growth in New Zealand rabbits and found that the 15% concentration formula resulted in the highest average hair growth compared to other concentrations and controls.
January 2026 in “Dermatologic Therapy” 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.
August 2023 in “Journal of Cosmetic Dermatology” In this study, injecting two different concentrations of botulinum toxin A was found to be safe and effective for treating androgenetic alopecia in Egyptian men and women, with improvements in hair grade and vellus hair density observed over six months.
This study found that both intradermal botulinum toxin A and intradermal minoxidil were equally effective for treating androgenetic alopecia, showing improvement in hair count with advantages like minimal invasiveness and absence of major side effects; minoxidil was also noted to be more cost-effective.
1 citations
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January 2010 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that 0.5μg/ml silibinin significantly promoted the differentiation of hair follicle stem cells into neurons, while higher concentrations were toxic and lower ones had no effect.
May 2023 in “International journal of molecular sciences” This study investigated the role of the ABCA4 gene in human keratinocytes and hair follicle stem cells and found that silencing the ABCA4 gene increases the harmful effects of all-trans-retinal on hair follicle stem cells.
May 2012 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this study, silibinin at 0.5 μg/ml significantly promoted hair follicle stem cell differentiation into neurons in rats, while higher concentrations were toxic.
This study found that ingesting seeds from the Lecythis ollaria tree may cause hair loss and other toxic effects in animals.
164 citations
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December 1984 in “Proceedings of the National Academy of Sciences” This study found that TCDD significantly reduced EGF receptor binding in various animal models, linked to toxic symptoms like weight loss and developmental delays, with receptor phosphorylation persisting several days.
1 citations
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May 2026 in “Environmental Health Engineering and Management” This study found that white poplar wood sawdust effectively removed up to 92.12% of thallium ions from contaminated water in laboratory conditions, demonstrating its potential as a low-cost adsorbent for reducing toxic thallium levels.
February 2025 in “International Journal of Science and Research (IJSR)” This study explores the benefits of herbal shampoo, emphasizing its cleansing, conditioning, and non-toxic properties due to traditional ayurvedic ingredients, and finds it effective for removing oils, dandruff, and dirt from hair and scalp comparable to regular shampoos.
January 2023 in “Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы” 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.
5 citations
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May 2022 in “Molecules” 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.
1 citations
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December 2019 in “JURNAL BIOSAINS” This study evaluated krokot extract as a hair tonic and found it to be microbiologically safe, effective at extending and increasing hair weight, non-irritating, and generally well-received in terms of aroma and color when tested on rabbits.
1 citations
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August 2019 In this study, a hair tonic formulation with 25% ethanol extract of mangkokan leaves showed effectiveness in promoting hair growth, as measured by significant differences in hair length and weight compared to the control.
October 2025 in “Journal of Cosmetic Dermatology” In this study, researchers found that type A botulinum toxin injections can reduce hypertrophic scars effectively, though more high-quality studies are needed to confirm the precision and stability of these therapeutic effects.
January 2020 in “Journal of Pharmacognosy and Phytochemistry” This study observed that a polyherbal hair oil made from virgin coconut oil and extracts of nine different herbs demonstrated effectiveness in promoting hair growth with a cooling effect and no reported side effects, based on various evaluated properties.
This study found that a hair tonic formulation containing 1.5% light fraction patchouli oil demonstrated strong antifungal activity against Malassezia globosa and promoted hair growth in rabbits, suggesting potential benefits for hair care despite the need for human clinical trials to confirm safety and effectiveness.