December 2022 in “Frontiers in Microbiology” The scalp microbiome is more diverse and may be more important in hair loss than the gut microbiome.
2 citations
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July 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Certain gut bacteria can lower androgen levels in male mice.
Certain gut microbes are linked to better health in 14 conditions.
February 2026 in “Frontiers in Pediatrics” Consider trichobezoars in young girls with vague symptoms for accurate diagnosis.
October 2025 in “The American Journal of Gastroenterology” Early diagnosis and treatment of hair ingestion in children can prevent serious health issues.
September 2021 in “European Neuropsychopharmacology” The research explores how gut bacteria and sleep patterns are related in mental health disorders.
January 2018 in “Florence Research (University of Florence)” Melanoma and vitiligo patients have different gut fungi and bacteria compared to healthy people.
1 citations
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July 2025 in “Life Sciences” February 2026 in “iScience” Hair metal analysis may help diagnose Parkinson's disease and suggests gut involvement.
December 2025 in “Cureus” Zinc supplements effectively treat inherited zinc deficiency in infants.
January 2025 in “SSRN Electronic Journal”
January 2025 in “Journal of Veterinary Medical Science” Environmental conditions can affect toxic mineral levels and gut bacteria in working dogs.
June 2024 in “Current Developments in Nutrition” KeraGLO improves skin and hair health.
14 citations
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January 2020 in “International Journal of Biological Sciences” Ranitidine and finasteride lower TMAO levels, reducing heart and kidney damage by changing gut bacteria.
June 2025 in “International Journal of Nutrology” A plant-based diet reduces skin inflammation, intermittent fasting supports muscle regeneration, and certain nutrients and supplements aid in healing.
January 2026 in “Annals of Clinical Endocrinology and Metabolism” Restoring NAD⁺ may help with aging and chronic diseases, but more research is needed.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Collagen supplements may modestly improve skin and joint health, but effects on metabolism and blood sugar are inconsistent.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Collagen supplements may improve skin and joint health but have inconsistent effects on blood sugar and heart health.
137 citations
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April 2015 in “Nature Reviews Molecular Cell Biology” Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.
105 citations
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February 2017 in “British Journal of Dermatology” Survivors of Stevens-Johnson syndrome/toxic epidermal necrolysis need ongoing care for various long-term health problems.
87 citations
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July 2007 in “British Journal Of Nutrition” Lactococcus lactis strain H61 may reduce some ageing symptoms.
82 citations
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August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
45 citations
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April 2019 in “International Immunology” The study concluded that immune cells attacking hair follicles cause hair loss in alopecia, with genetics and environment also playing a role, and highlighted the potential of certain treatments.
40 citations
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September 2019 in “World journal of clinical cases” An elderly man's hair grew back after a treatment that transferred healthy gut bacteria.
31 citations
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February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
26 citations
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December 2019 in “Neurobiology of Stress” Post-finasteride syndrome causes lasting sexual, neurological, and physical side effects in some people after taking finasteride.
15 citations
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April 2020 in “Intestinal Research” FMT for ulcerative colitis may also help with weight loss, hair loss, arthritis, and allergies.
15 citations
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January 2019 in “Mediators of inflammation” Aloe vera fermentation helps heal burns faster by reducing inflammation and changing gut bacteria.
11 citations
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December 2024 in “Stem Cell Research & Therapy” Exosomes from umbilical cord stem cells help heal complex perianal fistulas in rats.
11 citations
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November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.