Changes in gut and skin bacteria are linked to different hair loss conditions, and treatments like fecal transplants and probiotics might help, but more research is needed.
September 2023 in “International Journal of Cosmetic Science” Both shampoos increased scalp germ numbers but did not change the overall microbial community composition.
April 2023 in “Journal of Investigative Dermatology” Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.
September 2020 in “Journal of Investigative Medicine” Omics techniques are needed to understand the scalp microbiome's role in alopecia areata for new treatments.
May 2026 in “Rowan Digitals Works (Rowan University)” Adding oral probiotics to standard acne treatments improves results and reduces side effects.
January 2026 in “British Journal of Dermatology” The ATP assay can measure skin microbiome changes and recovery, with ethanol-treated skin taking longer to recover than tape-stripped skin.
134 citations
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January 2019 in “American journal of clinical dermatology” Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.
65 citations
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October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
37 citations
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September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
18 citations
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September 2023 in “Experimental Dermatology” The skin microbiome plays a key role in treating atopic dermatitis.
18 citations
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February 2020 in “Journal of pharmaceutical and biomedical analysis” The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
18 citations
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August 2019 in “Nutrients” Eating barley for life may lead to healthier aging in mice.
17 citations
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September 2020 in “Journal of Endocrinological Investigation” Post-finasteride patients show changes in gut bacteria, possibly causing various symptoms.
12 citations
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August 2021 in “International Journal of Biological Macromolecules” Poria cocos polysaccharides and finasteride both help treat chronic nonbacterial prostatitis, but Poria cocos polysaccharides also improve gut health.
11 citations
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October 2024 in “International Journal of Molecular Sciences” Psoriasis patients have different skin bacteria, which may cause flare-ups.
11 citations
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November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.
10 citations
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April 2017 in “Journal of Investigative Dermatology” The gut microbiome affects the development of alopecia areata.
9 citations
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November 2018 in “Journal of cosmetic dermatology” Orobanche rapum extract rejuvenates skin and protects skin bacteria, leading to healthier skin.
8 citations
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October 2022 in “Cold Spring Harbor perspectives in biology” The document concludes that better understanding the wound microbiome can improve chronic wound care by preserving helpful bacteria and targeting harmful ones.
6 citations
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January 2024 in “International Journal of Dermatology” Certain gut bacteria may cause alopecia areata.
5 citations
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June 2024 in “Cureus” PCOS is linked to changes in vaginal bacteria, with fewer good bacteria and more harmful ones.
5 citations
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April 2023 in “BMC Microbiology” Shampoo with heat-killed Lacticaseibacillus paracasei GMNL-653 improves scalp health and hair growth by changing scalp bacteria.
5 citations
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October 2022 in “Phenomics” Your skin is like an ecosystem, with its own community of microbes and substances that interact and affect its health.
4 citations
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October 2024 in “Dermatology and Therapy” Scalp microbiota changes may be linked to inflammation in Alopecia Areata.
4 citations
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July 2024 in “Skin Research and Technology” Certain bacteria may influence alopecia areata risk, but skin bacteria don't mediate gut-skin effects.
4 citations
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October 2021 in “Microorganisms” Men with androgenetic alopecia have different scalp oils and microbes compared to those without.
3 citations
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January 2024 in “Allergy Asthma and Immunology Research” Understanding the skin's bacteria and chemicals may help manage scalp issues in atopic dermatitis.
3 citations
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April 2022 in “Microorganisms” People with severe hair loss (Alopecia Areata) have different scalp bacteria than healthy people, which might help predict the condition's progress.
2 citations
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August 2020 in “International Journal of Cosmetic Science” Lindera strychnifolia root extract may help balance scalp bacteria and potentially reduce hair loss.
1 citations
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December 2025 in “Frontiers in Endocrinology” Gut microbiota may significantly influence polycystic ovary syndrome.