7 citations
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July 2021 in “PubMed” Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.
55 citations
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December 1987 in “Archives of Dermatology” Two enzyme defects in biotin metabolism cause severe skin, hair, and metabolic issues.
86 citations
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January 1990 in “The Journal of Pediatrics” Children with partial biotinidase deficiency are healthy at birth but may develop symptoms that improve with biotin therapy.
2 citations
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June 2018 in “Sudan journal of medical sciences” Low vitamin D levels can cause hair loss and supplements may improve it.
1 citations
,
January 2024 in “Pediatric Endocrinology Diabetes and Metabolism” Cinacalcet may help treat hereditary vitamin D resistant rickets safely.
April 2016 in “Journal of Investigative Dermatology” Vitamin D can reduce skin inflammation caused by UV rays by enhancing cell "fitness" and skin repair.
184 citations
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August 1983 in “The journal of pediatrics/The Journal of pediatrics” Biotinidase deficiency has various symptoms and can be treated with biotin supplements.
4 citations
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March 2023 in “Journal of medical case reports” Taking too much vitamin E caused a young man's blood clotting problems, which improved after he stopped the vitamin E and got treatment.
18 citations
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June 2012 in “Archives of Dermatological Research” Vitamin D boosts a specific protein in skin cells linked to hair follicles.
April 2024 in “The Egyptian Family Medicine Journal/The Egyptian Family Medicine Journal ” Vitamin D supplements significantly improved post-COVID-19 symptoms in deficient patients.
December 2020 in “Our Dermatology Online” Skin biopsies are recommended for confirming alopecia diagnosis due to variability in clinical assessments; the link between vitamin D levels and alopecia is unclear.
76 citations
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January 2010 in “Journal of bone and mineral metabolism”
34 citations
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April 1973 in “The American journal of clinical nutrition” Not enough vitamin B6 in pregnant rats' diets caused poor development and health in their babies.
October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” Multivitamins can help hair growth and health, especially if you have nutritional deficiencies, but should be used carefully.
53 citations
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March 2003 in “Journal of Investigative Dermatology” Human skin cells have a high-affinity system for biotin transport, crucial for skin health.
June 2021 in “International journal of cosmetics and dermatology” Vitamin C and E may help with certain skin and hair conditions, but more research is needed to confirm their effectiveness.
February 2025 in “International Journal of Morphology” Vitamin E can reduce the negative effects of valproic acid on hair and skin development.
114 citations
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October 2017 in “American journal of clinical dermatology” Adequate vitamin D is crucial for skin health and should be considered in dermatology.
25 citations
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August 2014 in “Endocrinology” Researchers created a mouse model of a type of rickets that does not cause hair loss.
4 citations
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January 2011 in “Journal of Cosmetics, Dermatological Sciences and Applications” Vitamin B12 may promote hair growth by affecting certain cell processes.
January 2005 in “Chinese Journal of Reproductive Health” Vitamin-D and calcium effectively treat hair loss in children.
12 citations
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September 2011 in “BMJ Case Reports” Quick diagnosis and biotin treatment can dramatically improve biotinidase deficiency symptoms.
February 1945 in “New England Journal of Medicine” 81 citations
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March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
20 citations
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February 2018 in “Journal of the European Academy of Dermatology and Venereology” Topical vitamin C may help treat skin fragility in the elderly.
158 citations
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August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
July 2021 in “Rossiiskii Zhurnal Kozhnykh i Venericheskikh Boleznei” Low vitamin D levels are linked to more skin problems.
3 citations
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March 1956 in “Journal of morphology” Vitamin A is essential for healthy skin and normal hair growth.
18 citations
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June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
8 citations
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August 2016 in “Annales de Dermatologie et de Vénéréologie” A woman with anorexia improved significantly after being treated for scurvy with vitamin C, despite not showing typical scurvy symptoms.