October 2021 in “International Journal of Research in Dermatology” People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
January 2026 in “Nutrients” Low vitamin D may increase autoimmune thyroid disease risk, but its treatment effects are unclear.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
April 2016 in “Journal of The American Academy of Dermatology” A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.
January 2020 in “Turkiye Klinikleri Journal of Dermatology” People with chronic hair shedding had much lower vitamin D levels compared to healthy people.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.
January 2023 in “Pakistan Armed Forces Medical Journal” People with vitiligo tend to have lower vitamin D levels.
November 2025 in “Iraqi Journal of Science” Celiac patients may have kidney function risks due to increased urea and creatinine and decreased magnesium, zinc, and vitamin C.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
June 2024 in “British Journal of Dermatology” Vitamin B supplements may reverse grey hair.
4 citations
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October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
37 citations
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May 1997 in “The Journal of Clinical Endocrinology & Metabolism” MK-386 lowers DHT in blood and skin but not in semen.
January 2025 in “Ginekologia Polska” VDR gene variations may affect carbohydrate metabolism in young women with hyperandrogenism.
24 citations
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June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
53 citations
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August 2005 in “The Journal of Cell Biology” Sgk3 is essential for normal hair follicle growth and maintenance.
1 citations
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April 2018 in “Journal of Investigative Dermatology” Fzd2 is important for skin and hair development through various signaling ways.
10 citations
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January 1985 in “PubMed” Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.
1 citations
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January 2022 in “Journal of Cosmetic Dermatology” Taking oral vitamin D and applying topical minoxidil together can better treat female pattern hair loss than using either treatment alone.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” DKK2 and SOSTDC1 together are necessary for the normal timing of the first regression phase in the hair growth cycle.
13 citations
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September 2007 in “International Journal of Dermatology” Vitamin D receptor gene variations are not linked to alopecia areata.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
15 citations
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January 1993 in “DNA sequence” KRT2.13 gene is similar to KRT2.9 but not expressed in hair follicles.
6 citations
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November 2021 in “Oncology Research and Treatment” Low Vitamin D receptor levels in breast cancer are linked to worse outcomes and more bone metastases, and could be a marker for prognosis.
October 2023 in “Benha Journal of Applied Sciences” Methotrexate and vitamin D3 are potentially more effective and safer than triamcinolone for treating localized alopecia areata.
43 citations
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March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
31 citations
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February 1972 in “Experientia” The diphosphonate was the most effective at preventing calcification in rats.
March 2024 in “Portuguese Journal of Dermatology and Venereology” People with hair loss often have lower levels of iron, vitamin D, and vitamin B12.
May 2021 in “Research journal of topical and cosmetic sciences” TrichovitalsTM improved skin, hair, and nail health in adults after 12 weeks.