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.
September 2025 in “SKINdeep” Sebaceous glands help protect and maintain healthy skin and hair.
510 citations
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August 2006 in “Endocrinology” The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.
Vitamin D is made by the skin, helps control various body functions, and affects skin health and immunity.
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.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
5 citations
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June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
September 2017 in “Pediatric Dermatology” A 14-year-old boy was diagnosed with a rare hair condition that may lead to hair thinning and has no known effective treatments.
The vitamin D receptor has many roles in the body beyond managing calcium, affecting the immune system, hair growth, muscles, fat, bone marrow, and cancer cells.
14 citations
,
January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.
4 citations
,
January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
April 2024 in “Nepal journal of dermatology, venereology & leprology” Vitamin D is important for skin health and can help treat and prevent various skin conditions.
January 2019 in “Revista Medicina Cutánea Ibero-Latino-Americana” Vitamin D is important for skin health and can help improve various skin conditions.
February 2018 in “Egyptian Journal of Radiation Sciences and Applications” Patients with Discoid Lupus Erythematosus have lower vitamin D and antioxidant levels and higher oxidative stress.
62 citations
,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
January 2017 in “Journal of clinical & experimental dermatology research” Low ferritin levels might be linked to telogen effluvium, but vitamin D levels are not.
1308 citations
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March 1998 in “Journal of bone and mineral research” The vitamin D receptor is crucial for bone health and affects various body systems, with mutations potentially leading to disease.
277 citations
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July 2002 in “Molecular Endocrinology” Removing part of the vitamin D receptor stops vitamin D from working properly.
271 citations
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September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
185 citations
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June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
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.
119 citations
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July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
47 citations
,
September 2023 in “Pharmacological Reports” Vitamins A, B3, C, D, and E can improve skin health and immunity.
18 citations
,
November 2016 in “Neuromuscular Disorders” Patients with myotonic dystrophy often have skin problems that suggest early aging and vitamin D issues, and the severity of these problems is linked to their genetic condition and vitamin D levels.
13 citations
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December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
12 citations
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January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
2 citations
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September 2022 in “Bioscientia medicina” Topical vitamin D is effective in treating vitiligo with few side effects.
2 citations
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November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
1 citations
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January 2009 in “Trepo - Institutional Repository of Tampere University” Vitamin D may help regulate cholesterol and influence prostate cancer development.
December 2024 in “International Journal of Health Sciences and Research” Vitamin D is crucial for health, and deficiency can cause hair loss and other health issues.