November 2024 in “SKIN The Journal of Cutaneous Medicine” Baricitinib slightly increased cholesterol levels in alopecia areata patients, but these changes were manageable.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
June 2017 in “Journal of clinical and investigative dermatology” Red blood cell folate levels are reliable indicators of long-term folate status in alopecia areata patients.
August 2022 in “International Journal of Health Sciences (IJHS)” Low levels of zinc, ferritin, and vitamin B12 are linked to severe hair loss in pregnant women during their last two trimesters.
9 citations
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January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
October 2024 in “Skin Appendage Disorders” Higher FABP4 levels may indicate more severe alopecia areata.
2 citations
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October 1990 in “The Lancet” Some people have a genetic variation that makes them less effective at breaking down drugs.
15 citations
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October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
4 citations
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August 2021 in “Pediatric dermatology” Biotin, alone or with minoxidil, effectively treats short anagen syndrome.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
May 2022 in “International Journal of Biochemistry Research and Review” Plant-based biotin from SesZenBioTM could be twice as effective as synthetic biotin for hair care.
October 2019 in “Turkderm” Patients with pernio have lower vitamin B12 and ferritin levels than healthy people.
70 citations
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February 2009 in “Biological Trace Element Research”
1 citations
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July 2012 in “EFSA journal” KF2BL20 does not have proven benefits for maintaining normal hair.
February 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher leptin and lower vitamin D levels may contribute to male pattern baldness.
6 citations
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January 2013 in “Experimental dermatology” Bimatoprost increases hair growth in mice without breaking down into other substances.
2 citations
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May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
40 citations
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April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
June 2025 in “British Journal of Dermatology” Premature canities is linked to low vitamin D and B12, family history, and higher MHR.
Baricitinib therapy helped many patients with severe alopecia regrow hair after 52 weeks.
2 citations
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October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
September 2016 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Higher RBP4 levels found in people with two types of hair loss.
1 citations
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August 2023 in “JAMA Dermatology” Increasing the dose of baricitinib to 4 mg helps more patients with severe alopecia areata regrow hair.
March 2022 in “IP Indian journal of clinical and experimental dermatology” Low ferritin and cobalamin levels are better indicators of chronic hair loss in reproductive-age women than hemoglobin levels.
October 2025 in “Electronic Theses and Dissertations Repository (University of Pisa)” Baricitinib effectively treated alopecia areata in 73% of patients, with minor metabolic changes and significant changes in inflammatory markers.
15 citations
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July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.
33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
2 citations
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December 2018 in “Journal of cosmetic dermatology” Higher CRBP1 levels are linked to more severe alopecia areata.
September 2023 in “Journal of the American Academy of Dermatology” Certain factors like being female, having high cholesterol, using Medicaid, and previous non-biologic treatments increase the risk of multiple biologic failures in psoriasis patients.