September 2025 in “Animals” In this study, cats fed trace minerals complexed with lysine and glutamic acid displayed temporary improvements in hair loss and dander scores at 45 days, compared to those receiving inorganic trace minerals, although no differences were seen by day 90.
3 citations
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April 2023 in “Journal of Veterinary Internal Medicine” This study found that dogs with idiopathic epilepsy had altered hair concentrations of several trace elements, which may suggest a role in the disease's pathophysiology and indicate effects from antiseizure medications.
February 2025 in “Animals” This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.
1 citations
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October 2024 in “FARMACIA” This study found that patients with age-related cataracts had significantly lower levels of manganese, selenium, vanadium, and zinc in their serum compared to healthy controls, with low serum selenium and zinc levels showing an independent association with an increased risk of cataracts.
January 2012 in “TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN” This paper outlines the research plan and current progress of a study analyzing mineral metabolism changes in astronauts by examining hair shafts after long-term space flight, with no new results yet.
18 citations
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December 2010 in “Journal of Trace Elements in Medicine and Biology” This study suggests that alterations in copper metabolism may play a key role in the development of androgenetic alopecia in women, presenting potential targets for treatment strategies.
23 citations
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January 2019 in “Journal of wildlife diseases” This study found that a significant number of boreal woodland caribou in NE British Columbia showed symptoms of trace mineral deficiencies and exposure to various pathogens, with substantial winter tick infestations affecting a majority of individuals.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study reported that rice water, containing essential minerals and vitamins, shows promise in cosmetic and dermatological applications by acting as an anti-aging agent, hair growth promoter, and natural antidandruff treatment due to its antioxidant and antifungal properties.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study reports that rice water, rich in minerals, vitamins, and amino acids, shows potential in cosmetics and dermatology for its hydration, anti-aging, and antioxidant properties and effectiveness against dandruff, while also promoting hair growth and scalp health with natural cleansing abilities.
October 2025 in “World Journal of Advanced Research and Reviews” This review reports that topical applications of onion-based preparations, like onion juice and oil, may support hair regrowth in patchy alopecia areata and improve scalp health through antioxidant and antimicrobial effects, although standardized formulations and clinical trials are limited.
2 citations
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January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
5 citations
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December 2014 in “Polish Journal of Public Health” This review discusses the mechanisms of zinc transport, its role in human health, and the effects of zinc imbalance, without reporting new results.
June 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that women with diffuse alopecia exhibited deficiencies in several trace elements, including sulfur, iron, and potassium, while men showed deficiencies in calcium, sulfur, and zinc.
October 2008 in “Trace Elements and Electrolytes” In this study, perimenopausal women with initially high hair concentrations of calcium, magnesium, and silicon experienced a decrease in these elements after intermittent dietary supplementation with calcium, magnesium, silicon, and vitamin D.
21 citations
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January 2014 in “Dermatology Research and Practice” This study found no significant difference in serum and hair levels of iron, zinc, and copper between female alopecia areata patients and healthy controls.
18 citations
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January 1977 in “Annals of Nutrition and Metabolism” This article reviews inherited mineral and trace element disturbances and reports no clinical results; it highlights conditions like hypomagnesaemia and acrodermatitis enteropathica linked to impaired nutrient absorption.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” This study found that diabetic individuals had significantly lower hair levels of chromium, manganese, and copper, but higher iron levels, compared to non-diabetic controls.
January 2018 in “Journal of Clinical Dermatology” This study found that women with telogen effluvium had significantly lower levels of zinc and iron in their hair compared to healthy women.
7 citations
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January 2018 in “PubMed” In this study, reduced serum levels of iron, copper, and calcium were associated with premature graying of hair, suggesting that supplementation might help, but more research is needed to fully understand the relationship.
July 2018 in “International journal of clinical & experimental dermatology” This narrative review describes the components of human hair and their nutritional importance but reports no clinical results; the authors suggest dietary sulfur amino acids are essential for hair health.
January 2014 in “Международный журнал прикладных и фундаментальных исследований” This article suggests that zinc-dependent factors may play a role in the regulation of the hair follicle cycle and could be involved in the pathogenesis of alopecia areata, but experimental confirmation is needed.
March 2024 in “CRC Press eBooks” This chapter reviews hormonal imbalances and related disorders, discussing nutraceuticals—such as cod liver oil, green tea, and Omega-3s—that may alleviate symptoms and improve hormonal fluxes in lieu of traditional synthetic treatments that have potential side effects.
This study introduced a technology for creating water-soluble minerals, which reportedly showed potential health benefits such as diet and anti-wrinkle effects in their applications.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
2 citations
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July 2019 in “Journal of psychology & clinical psychiatry” This article discusses the role of zinc in reducing depression severity and reports no new research findings, emphasizing the need for further investigation into its therapeutic potential.
May 2014 in “The Journal of Alternative and Complementary Medicine” Higher levels of chromium, selenium, and copper in hair are linked to increased insulin resistance in visceral-obese adults.
14 citations
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January 2015 in “Korean Journal of Pediatrics” This article reviews the importance of monitoring nutritional aspects like growth and anemia in pediatric inflammatory bowel disease, reporting no new research findings.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review reports that onion-derived products, like juice and oil, show potential benefits for hair regrowth in alopecia areata and scalp health due to their rich phytochemical content, but notes that further standardized formulations and rigorous clinical trials are needed to substantiate these effects.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review synthesizes current research on onion-derived preparations for scalp and hair health, highlighting their potential benefits in hair regrowth, microbial reduction, and follicular support, while noting gaps in standardized formulations and controlled clinical trials.
October 2004 in “Kafrelsheikh Veterinary Medical Journal” In this study, buffalo calves fed only corn silage showed deficiencies in copper, zinc, selenium, and vitamin A, along with improved physiological conditions after dietary supplementation and treatment.