Collagen supplements may improve skin, hair, and nails, but more research is needed.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
30 citations
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July 2019 in “Endocrinology” Certain HSD3B1 gene types are linked to worse prostate cancer outcomes and affect treatment response and other health conditions.
21 citations
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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.
20 citations
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June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
18 citations
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February 2001 in “Journal of International Medical Research” Hairgain® significantly increased hair growth and was well-tolerated by individuals with hair loss.
10 citations
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January 2016 in “Global Dermatology” Zinc helps manage skin disorders and deficiencies can worsen some conditions.
4 citations
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April 2022 in “International Journal of Biological Macromolecules” The mix of bacterial cellulose and soybean protein helps wounds heal faster, regrow hair, and reduces scarring and inflammation.
2 citations
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June 2023 in “Journal of clinical medicine” Soy supplements improve various skin conditions and aging signs, with topical use boosting skin barrier function.
1 citations
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January 2021 in “Journal of biological chemistry/The Journal of biological chemistry” FLCN helps control iron levels in cells.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
September 2022 in “JAMC. Journal of Ayub Medical College, Abbotabad, Pakistan/Journal of Ayub Medical College” A boy with a rare skin condition improved quickly after starting zinc supplements.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
March 2016 in “European Urology Supplements” Methylation in specific gene region causes finasteride resistance in some BPH patients.
1 citations
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January 1996 in “Springer eBooks” Diet affects baldness; eat balanced, less animal fat, more fruits, vegetables, and cereals.
August 2022 in “Italian Journal of Animal Science/Italian journal of animal science” Field bean supplementation improved mohair growth and kid growth in Angora goats but didn't prevent weight loss after giving birth.
126 citations
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January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
73 citations
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January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
35 citations
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August 2010 in “The American journal of pathology” Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
26 citations
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December 2020 in “Nature metabolism” Rapamycin treatment helps with mitochondrial disease by reducing PKC levels.
23 citations
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June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.
19 citations
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October 1971 in “The BMJ” Anticonvulsant drugs may cause temporary chromosomal abnormalities.
12 citations
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February 2001 in “Annals of Pharmacotherapy” No effective treatment for hair loss after childbirth was found, but it usually gets better on its own and some cosmetic methods might help.
11 citations
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February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
10 citations
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September 2013 in “Nutrition” The ketogenic diet can worsen biotin deficiency, suggesting a need for biotin supplements.
7 citations
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February 2016 in “Dermatology and therapy” t-Flavanone helps improve male pattern hair loss by making hair roots stronger.
7 citations
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December 2013 in “The Journal of Dermatology” A woman's hair turned gray and fell out after starting a cancer drug called imatinib mesylate.
5 citations
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April 2013 in “Nasza Dermatologia Online” Oral zinc therapy is effective for treating acrodermatitis enteropathica.
3 citations
,
July 2025 in “Reproductive Biology and Endocrinology” Chromium, inositol, and omega-3 can help manage PCOS symptoms.
3 citations
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January 2017 in “Journal of Pakistan Association of Dermatology” Women with certain types of hair loss may have low iron levels, and iron supplements could help.