21 citations
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December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
29 citations
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
August 2023 in “Cell Proliferation” Human cells in plasma-derived gels can potentially mimic hair follicle environments, improving hair regeneration therapies.
61 citations
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July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
January 2024 in “Journal of tissue engineering” Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.
235 citations
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July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
2 citations
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May 2024 in “European journal of medical research” A special medium from stem cells significantly boosts hair growth and could help treat hair loss.
90 citations
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December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
13 citations
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September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
Ganoderma lucidum extract may help treat stress-related hair loss.
60 citations
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December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
May 2025 in “Scientific Reports” Oxyresveratrol promotes hair growth and may help treat hair loss.
3 citations
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June 2022 in “Cells” The conclusion is that the new method makes collecting cells from plucked hair to create stem cells more efficient and less invasive.
35 citations
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April 2008 in “Human Molecular Genetics” Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.
2 citations
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August 2022 in “BMC veterinary research” Hair follicle stem cells from Arbas Cashmere goats can become fat, nerve, and liver cells.
1 citations
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November 2025 in “Stem Cell Research & Therapy” Immortalized hair follicle cells could be useful for regenerative medicine and treating inflammation and oxidative stress.
5 citations
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March 2023 in “Journal of Cosmetic Dermatology” Plantago asiatica L. extract can promote hair growth by enhancing the anagen phase.
14 citations
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December 2021 in “International journal of molecular sciences” Growth hormone levels affect hair growth and loss, with too much causing excess hair and too little leading to hair loss.
92 citations
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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
55 citations
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October 2008 in “American Journal Of Pathology” mIGF-1 in skin cells speeds up wound healing and hair growth in mice without harmful effects.
18 citations
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August 2008 in “Journal of Investigative Dermatology” 17-β estradiol and prednisolone may speed up hair regrowth after chemotherapy.
April 2026 in “International Journal of Molecular Sciences” Ageratum houstonianum extract and agerarin may help hair growth.
53 citations
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
35 citations
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January 2020 in “Skin Pharmacology and Physiology” The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.
2 citations
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February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
35 citations
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February 2003 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Lead can help reveal and organize lipids in human hair.
21 citations
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May 2016 in “Experimental and Therapeutic Medicine” MMP-2 and MMP-9 help hair grow, while their inhibitors peak when hair growth slows.
10 citations
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August 2021 in “Frontiers in cell and developmental biology” Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.
4 citations
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January 2022 in “Life” Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.