January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
23 citations
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February 2019 in “International Journal of Molecular Sciences” Activin B can boost hair growth by promoting cell proliferation and cell cycle progression.
5 citations
,
May 2018 in “Journal of the American Academy of Dermatology” Lower vitamin D levels might be linked to more severe alopecia areata, but more research is needed to understand if vitamin D can help treat it.
January 2006 in “Actualidad laboral” Vitamin D3 analogs can stimulate hair growth in mice with alopecia.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
18 citations
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November 2009 in “Calcified tissue international” A genetic mutation caused severe rickets and alopecia in an Indian patient, but high-dose calcium and phosphate treatment improved their condition.
36 citations
,
February 2007 in “Journal of biological chemistry/The Journal of biological chemistry” The vitamin D receptor can work without its usual activating molecule.
June 2025 in “Current Issues in Molecular Biology” Minoxidil, caffeine, and biotin can improve hair shine by restoring certain genes.
7 citations
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January 1990 January 2021 in “İzmir Dr.Behçet Uz çocuk hastanesi dergisi” Children with Alopecia Areata often have lower vitamin D and B12 levels and higher thyroid activity.
14 citations
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November 2007 in “Journal of Dermatological Science” Vitamin C derivative may promote hair growth by activating specific genes.
18 citations
,
September 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.
The supplement may reduce hair shedding but needs more research for skin benefits.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Vitamin A levels don't significantly affect alopecia areata.
November 2022 in “Journal of the Endocrine Society” Correcting vitamin D and progesterone deficiencies can significantly improve hair loss, acne, and BPH symptoms.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
139 citations
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September 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the Vitamin D receptor gene can cause hair loss similar to mutations in the Hairless gene.
August 2025 in “Scientific Reports” C4BPA protein may link acne severity and insulin resistance.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
October 2008 in “Trace Elements and Electrolytes” Tailored supplementation of calcium, magnesium, and vitamin D based on hair analysis may improve bone health.
The levels of zinc, vitamin D, ferritin, and selenium are different in people with androgenic alopecia compared to a control group.
November 2025 in “Cosmetics” POLEVAN® improves hair shine, moisturizes the scalp, and maintains foam quality in shampoos.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Low calcium levels and dietary issues are linked to hair loss, suggesting a combined Ayurvedic and nutritional approach for prevention.
September 2012 in “British Small Animal Veterinary Association eBooks” Good nutrition is crucial for healthy animal skin and hair.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
10 citations
,
April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
20 citations
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December 2011 in “Journal of inherited metabolic disease” Valproic acid treatment increases a specific acid in urine by blocking an enzyme, possibly causing skin rash and hair loss.
5 citations
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June 2017 in “in Vivo” Vitamin C deficiency changes gene expression, affecting skin and hair health.