9 citations
,
July 2020 in “Journal of Animal Physiology and Animal Nutrition” This study found that maternal melatonin supplementation improved fur quality in Rex rabbit offspring by increasing hair follicle density and altering melatonin receptor gene expression in several organs.
81 citations
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May 2019 in “Frontiers in Endocrinology” This study found that administering melatonin for 12 weeks to women with PCOS significantly reduced hirsutism, testosterone, and inflammation markers, while enhancing antioxidant levels compared to a placebo.
August 2017 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” In this study, melatonin supplementation in cattle during mid to late gestation decreased the temperature of unshaved skin areas but did not affect rectal temperature or body weight.
20 citations
,
July 2006 in “Veterinary dermatology” This study found that hair regrowth in Pomeranians with hair cycle arrest treated with melatonin was not associated with a change in oestrogen receptor-α staining.
63 citations
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March 2016 in “International Journal of Molecular Sciences” This review discusses the pathophysiology of sleep disturbance in children with atopic dermatitis and highlights the need for further research on management strategies, but provides no new clinical results.
2 citations
,
July 2018 in “Elsevier eBooks” This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.
January 2026 in “Updates in clinical dermatology” Proper nutrition and alternative therapies can help manage hair loss.
9 citations
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July 2014 in “PubMed” This review examines the scientific evidence behind alternative treatments for female pattern hair loss and androgenetic alopecia, such as biotin, caffeine, and melatonin, but provides no new clinical results.
February 2026 in “Revista Saber Digital” In this case report, researchers described a German Spitz dog with alopecia X, emphasizing successful hair regrowth with deslorelin treatment, highlighting its efficacy as a therapeutic option and the necessity for accurate diagnosis in veterinary dermatology.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” This review discusses the role of various hormones in diffuse hair loss and emphasizes the need for further research to clarify their complex interactions and potential therapeutic implications, but reports no new clinical results.
126 citations
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January 2009 in “International Journal of Trichology” This review discusses the potential role of oxidative stress in hair graying and age-related alopecia, emphasizing the need for new strategies to counteract these effects, but reports no new results.
3 citations
,
November 2021 in “Applied Microscopy” This article presents a comprehensive overview of hair microscopy techniques and their diagnostic potential for systemic and cutaneous disorders, emphasizing its usefulness in resource-limited settings and highlighting the underutilization of this non-invasive method due to lack of awareness.
May 2024 in “Cell proliferation” This study found that melatonin supplementation significantly promoted hair regeneration in a hair depilation mouse model by up-regulating the Wnt/β-catenin signaling pathway in dermal papillae and hair follicle stem cells, suggesting potential implications for human hair loss treatments.
45 citations
,
February 2019 in “Journal of Affective Disorders” This study found that 12 weeks of melatonin supplementation improved mental health and metabolic parameters in women with polycystic ovary syndrome compared to a placebo.
January 2024 in “Open MIND” This study will evaluate the potential of photobiomodulation, both alone and combined with melatonin supplementation, to promote hair regrowth in German Spitz dogs with alopecia X, by measuring hair follicle density and thickness over a 90-day period.
January 2022 in “International Journal of Nutrology” This review discusses the potential role of nutritional supplements, like lycopene and tranexamic acid, in managing melasma during the COVID-19 pandemic but reports no new clinical outcomes.
18 citations
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April 1989 in “Archives of Dermatology” This study found that segmented heterochromic scalp hair associated with iron-deficiency anemia in a teenage girl completely recovered following iron supplementation, suggesting a role for iron in hair pigment production.
78 citations
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February 2004 in “British Journal of Dermatology” This article reviews the potential impact of melatonin on hair growth, noting its benefits observed in animals, but reports no clinical results in humans to date.
February 2023 in “Journal of Drugs in Dermatology” In this literature review, researchers found evidence that topical melatonin may improve scalp hair growth, density, and thickness in patients with androgenetic alopecia, especially in men.
January 2025 in “Seven Editora eBooks” In this study, the authors reported a case of alopecia X in a German Spitz dog and found that treatment with orchiectomy and melatonin resulted in partial hair regrowth and improved the dog's dermatological condition.
27 citations
,
October 1945 in “Endocrinology” In this study, adrenalectomy in black rats on a vitamin B-deficient diet restored hair growth and melanin deposition, effects reversed using adrenal cortical hormones.
34 citations
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January 1943 in “Endocrinology” In this study, adrenalectomy in rats on a diet lacking certain vitamin B components reversed fur graying and enhanced hair growth.
4 citations
,
August 2011 in “Aktuelle Dermatologie” This study found that topical melatonin significantly improved hair density and reduced the severity of androgenetic alopecia in men and women.
7 citations
,
January 2010 in “Animal” This review discusses studies on hair growth and protein synthesis in hair follicles, highlighting the differing responses of mohair and cashmere goat follicles to signaling molecules, biotin, and amino acids, but contains no new results.
2 citations
,
January 2022 in “Dermatologic Therapy” Natural products like saw palmetto, caffeine, melatonin, marine extracts, rosemary oil, procyanidin, pumpkin seed oil, and cannabidiol oil could potentially treat male hair loss.
2 citations
,
October 1999 in “Annals of the New York Academy of Sciences” This article discusses plasma β-endorphin concentrations during natural and artificially induced winter hair growth in mink but reports no new clinical findings.
October 2021 in “QJM: An International Journal of Medicine” This study found that four sessions of Intense Pulsed Light treatment significantly improved signs of photodamaged skin in adult female patients, as demonstrated by patient satisfaction and 3D camera assessments.
July 2019 in “Journal of the Formosan Medical Association” Melatonin may help with nerve pain, a hepatitis C drug is effective but has side effects, a treatment for mouth sores works but can cause blood issues, ear reconstruction with an implant is safe, HIV transmission from mother to child in Taiwan is now 0% with treatment, certain blood problems are more common in people with a tongue condition, a gene and being overweight are linked to hair loss in some women, a new technique could reduce radiation for lung nodule patients, a hepatitis treatment may lower cancer recurrence after a procedure, and adding extra screening improves tuberculosis detection in patients with lung infections.
November 2025 in “Frontiers in Veterinary Science” In this study, feeding H-line chickens a diet with 1.0% tyrosine for 40 days significantly increased melanin deposition in feathers and revealed changes in gene expression related to melanin pathways, suggesting tyrosine's involvement in regulating feather color through the EDNRB2 regulatory network.
1 citations
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October 2010 in “Pediatrics in review” This article discusses the integration of complementary and alternative medicine (CAM) therapies in the treatment of eating disorders but presents no new clinical findings.