May 2010 in “Current Women's Health Reviews” The document concludes that early diagnosis and treatment of PCOS in teenagers is important for managing symptoms and preventing long-term health problems.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.
233 citations
,
February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
76 citations
,
August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
56 citations
,
September 2013 in “Experimental Dermatology” The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.
55 citations
,
March 2012 in “Journal of Investigative Dermatology” Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.
53 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
48 citations
,
October 1996 in “Dermatologic clinics” Some treatments can help with hair regrowth in alopecia areata, but results vary and long-term use is often needed without changing the disease's outcome.
34 citations
,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
16 citations
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May 1998 in “International Journal of Dermatology” Stress hormones like cortisol may trigger psoriasis flare-ups.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
14 citations
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April 2014 in “International Journal of Cosmetic Science” Acne is caused by multiple factors including oil production, bacteria, inflammation, and possibly diet and environment.
13 citations
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May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
11 citations
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December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
5 citations
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December 2014 in “Medicine and Pharmacy Reports” Ciproterone acetate improves hair regrowth and acne in most female patients.
4 citations
,
July 2025 in “Frontiers in Immunology”
February 2026 in “Frontiers in Immunology”
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
April 2023 in “Medizinische Genetik” New research has found 14 genes linked to the risk of developing alopecia areata, improving understanding and treatment options.
August 2016 in “PolyPublie (École Polytechnique de Montréal)” Doxorubicin causes heart damage, so early detection and monitoring are important during chemotherapy.
January 2015 in “Springer eBooks” Understanding hair structure and growth is key for diagnosing hair diseases accurately.
January 2013 in “Springer eBooks” Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
December 2025 in “Canadian Urological Association Journal” Alternative therapies for men's health lack strong scientific support and need more research.
10 citations
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May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.