Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
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.
July 2021 in “Rossiiskii Zhurnal Kozhnykh i Venericheskikh Boleznei” Low vitamin D levels are linked to more skin problems.
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.
July 2025 in “Humanitarian and Natural Sciences Journal” Low vitamin D and ferritin levels may contribute to hair loss in women.
January 2025 in “Egyptian Journal of Dermatology and Venerology” COVID-19 vaccination may lower vitamin D levels and cause hair loss.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
17 citations
,
July 2015 in “Biomolecules and Biomedicine” High Nesfatin-1 and low Vitamin D may increase blood pressure and heart rate in women with PCOS.
1 citations
,
January 2021 in “Journal of Dermatology and Dermatologic Surgery” Taking Vitamin D supplements may increase the risk of skin darkening after laser hair removal.
1 citations
,
January 2023 in “Revista Da Associacao Medica Brasileira” People with seborrheic dermatitis often have lower vitamin D levels.
30 citations
,
December 2019 in “PLoS ONE” The new delivery system improved raloxifene's skin absorption and effectiveness against cancer cells.
10 citations
,
May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
378 citations
,
February 2020 in “Nature Reviews Endocrinology” 47 citations
,
October 1989 in “European Journal of Pediatrics” Two siblings stayed rickets-free for 14 years after stopping treatment.
15 citations
,
January 1995 in “Archives of dermatological research” OCT binds strongly to hair sheath cells and may affect skin and hair growth with fewer side effects than vitamin D3.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
52 citations
,
August 1993 in “Clinical endocrinology” Intravenous and oral calcium effectively treated vitamin D dependent rickets type II, improving growth and bone health.
2 citations
,
September 2021 Patients with alopecia areata may have lower vitamin D levels than healthy people.
37 citations
,
October 2006 in “Archives of Biochemistry and Biophysics” A unique gene mutation causes vitamin D-resistant rickets without causing hair loss.
July 2025 in “International Journal of Trichology” Intralesional methotrexate and triamcinolone acetonide are more effective than Vitamin D3 for treating alopecia areata.
September 2020 in “Osmangazi tıp dergisi” Thyroid dysfunction, vitamin D and B12 deficiencies, and iron deficiency may be linked to hair loss condition Telogen Effluvium.
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.
9 citations
,
January 2014 in “Medical Hypotheses” Higher DHT in male baldness may protect against prostate cancer.
42 citations
,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
27 citations
,
April 2017 in “British Journal of Dermatology” Hair loss involves immune responses, inflammation, and disrupted signaling pathways.
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
10 citations
,
April 2020 in “Dermatology and therapy” Calcipotriol works almost as well as clobetasol for mild to moderate alopecia areata with fewer side effects.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.