65 citations
,
January 2009 in “Annals of Dermatology” Zinc supplements increased zinc levels in some hair loss patients but didn't significantly improve hair growth.
11 citations
,
February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
March 2014 in “Journal of The American Academy of Dermatology” Vitamin D deficiency is common in temporary hair loss, and stress is often a suspected cause.
July 2022 in “Al-Mağallaẗ al-ʻirāqiyyaẗ li-l-ṣaydalaẗ” Lower zinc levels are linked to more severe hair loss in alopecia areata.
10 citations
,
January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
November 2025 in “Khalij-Libya Journal of Dental and Medical Research” Hair loss is linked to low levels of zinc, vitamin D, and ferritin.
3 citations
,
January 1985 in “British Journal of Dermatology” Zinc sulphate solution was not effective in reducing the number, duration, or severity of recurrent herpes simplex infections.
21 citations
,
June 2011 in “Journal of child neurology” Valproic acid and carbamazepine do not change biotin or biotinidase levels but may lower zinc levels, still within normal range.
September 2020 in “Research Square (Research Square)” Certain genes influence immunoglobulin levels in Chinese Holstein cows, which can improve calf health.
Zinc levels in hair and blood are linked to enzyme activity in people with certain skin conditions.
73 citations
,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
8 citations
,
January 2024 in “Journal of Human Reproductive Sciences” Women with PCOS have lower zinc levels.
36 citations
,
October 2008 in “European journal of paediatric neurology” Valproic acid treatment may cause temporary hair loss due to reduced zinc and biotinidase levels, which tend to normalize after 6 months.
January 2020 in “Journal of Clinical Biochemistry and Nutrition” Low zinc levels in chronic liver disease patients are linked to more severe symptoms like taste issues and skin problems, and zinc supplements might help.
April 2026 in “Al-Kufa University Journal for Biology” Zinc and iron levels drop after bariatric surgery, needing careful monitoring and supplements.
1 citations
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November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
January 2024 in “Biological trace element research” Isotretinoin affects trace element levels and requires monitoring of liver and kidney functions.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
Zinc levels and lymphocyte counts might be important in heart disease development.
June 2024 in “Archives of dermatological research” Dietary supplements might help prevent post-COVID hair loss, but serum ferritin is not a reliable indicator.
January 2019 in “Türkiye klinikleri dermatoloji dergisi” Low levels of iron, ferritin, zinc, and folic acid may contribute to hair loss in women.
21 citations
,
January 2014 in “Dermatology Research and Practice” Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
July 2018 in “Journal of College of Medical Sciences-nepal” Women with certain types of hair loss may have low iron levels.
7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
15 citations
,
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.
11 citations
,
September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
Zinc methionylglycinate at 160 ppm improves dog hair and zinc levels best.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.