16 citations
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August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
34 citations
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December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.
24 citations
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March 1987 in “Journal of The American Academy of Dermatology” Minoxidil 1% and 2% best promote hair growth and may prevent hair loss.
83 citations
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May 2013 in “International Journal of Molecular Sciences” Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.
4 citations
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August 2011 in “Aktuelle Dermatologie” Topical melatonin is a safe treatment that may reduce hair loss in people with androgenetic alopecia.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
November 2025 in “Journal of Family Medicine and Primary Care” Low-dose minoxidil effectively enhances facial hair with minimal side effects.
76 citations
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January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology” Dermoscopy is a useful tool for diagnosing and managing alopecia areata.
2 citations
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June 2023 in “Skin Research and Technology” Yellow dots and short vellus hairs are the most common signs of Alopecia Areata (AA), and trichoscopy can help diagnose AA and track treatment progress.
July 2025 in “Frontiers in Medicine” Single-spin and double-spin PRP methods are equally effective for treating hair loss.
December 2024 in “IntechOpen eBooks” Trichoscopy helps diagnose and track alopecia areata by examining specific hair and scalp markers.
260 citations
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January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
89 citations
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March 2001 in “Endocrine practice” The guidelines help doctors diagnose and treat hormone-related disorders in women.
26 citations
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September 2012 in “Cell Reports” B-Raf and C-Raf are essential for maintaining melanocyte stem cells to prevent hair graying.
12 citations
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May 1995 in “Australasian Journal of Dermatology” Hair loss in women can be slowed with treatment, but more research needed for better solutions.
10 citations
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September 2022 in “Advanced Healthcare Materials” Current methods can't fully recreate skin and its features, and more research is needed for clinical use.
8 citations
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January 2003 in “Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy” Chemotherapy may cause recurring hair loss due to an autoimmune response.
4 citations
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September 2024 in “Cell Reports” Granulocyte colony stimulating factor helps heal wounds without scars.
1 citations
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October 2022 in “Annual review of cell and developmental biology” The nervous system helps control stem cell behavior and immune responses, affecting tissue repair and maintenance.
September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
15 citations
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June 2020 in “Experimental Dermatology” Hormones and genes affect hair growth and male baldness.
44 citations
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April 2013 in “Proceedings of the National Academy of Sciences of the United States of America” FGF13 gene changes cause excessive hair growth in a rare condition.
222 citations
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August 2009 in “Experimental Dermatology” Stem cells are crucial for wound healing and understanding their role could lead to new treatments, but more research is needed to answer unresolved questions.
10 citations
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May 1995 in “Journal of General Internal Medicine” Most women with excessive hair growth have PCOS; treatment varies and focuses on preventing new hair, with electrolysis as the only permanent removal method.
4 citations
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May 2018 in “International Journal of Molecular Sciences” The research showed how melanocytes develop, move, and respond to UV light, and their stem cells' role in hair color and skin cancer risk.
1 citations
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December 2022 in “Pharmaceuticals” Noni fruit extract, specifically the FEA-3 sub-fraction, can increase hair growth and reduce baldness in male rabbits, potentially acting like common hair loss treatments.
April 2024 in “Journal of translational medicine” Melanocytes are important for normal body functions and have potential uses in regenerative medicine and disease treatment.
January 2020 in “Egyptian Journal of Dermatology and Venereology” People with alopecia have shorter hair follicles and more c-kit, a stem cell factor receptor, which could predict how the condition progresses.
1 citations
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November 2023 in “Pathogens” Raccoon dogs in Schleswig-Holstein, Germany, were found with sarcoptic mange, showing severe skin issues and potential for spreading the disease.
23 citations
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December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.