August 2021 in “Journal of the American Academy of Dermatology” The shampoo's ingredients' effect on a hair growth pathway in cells was tested, but the results are not given.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
3 citations
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January 2020 
Combining bromelain with finasteride improves hair regrowth and reduces inflammation in alopecia.
5 citations
,
July 2011 in “PubMed” Injected bimatoprost 0.03% solution did not effectively treat female-pattern hair loss.
7 citations
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June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
August 2021 in “Chinese journal of burns” Combining FUE with rb-bFGF and minoxidil is more effective and has fewer side effects than FUE alone for treating hair loss.
1 citations
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December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
2 citations
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November 1999 in “Journal of Cutaneous Medicine and Surgery” May 2016 in “Hair transplant forum international” 
November 2019 in “Journal of Health and Allied Sciences” Maharanga bicolor and Hibiscus rosa sinensis extracts promote hair growth.
30 citations
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October 1994 in “Journal of Cutaneous Pathology” Multiple perifollicular fibromas may actually be unrecognized cases of Birt-Hogg-Dubé syndrome.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair wax stick is a safe and effective natural alternative to synthetic hair products.
42 citations
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January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
September 2011 in “대한미용학회지” Bear oil promotes hair growth and increases hair density.
2 citations
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November 2009 in “Korean journal of chemical engineering” Adding Brij 78 to minoxidil microparticles in a certain solution helps them stick to the skin better and prevents clumping.
1 citations
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January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
7 citations
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January 2015 in “PubMed” Ultrasound biomicroscopy is useful for viewing hair follicles in alopecia areata.
203 citations
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November 1984 in “Journal of the American Academy of Dermatology” Common baldness is likely inherited through multiple genes, not just one.
305 citations
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December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
2 citations
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January 2023 in “Skin Appendage Disorders” Beard alopecia areata causes patchy beard hair loss, often treatable with janus kinase inhibitors.
December 2025 in “Journal of Inflammation Research” The treatment improved prostate health in mice.
November 2014 in “Zurich Open Repository and Archive (University of Zurich)” 
The combination therapy improved hair growth and thickness in people with androgenetic alopecia.
Rosemary oil can boost hair growth by increasing certain enzyme activities and cytokine expression.
11 citations
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October 2016 in “Pediatric dermatology” Stopping the use of fluocinolone oil containing balsam fragrance improved hair regrowth in children allergic to it.
66 citations
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October 2003 in “Dermatologic clinics” Excision and laser techniques can effectively treat acne keloidalis nuchae.