January 2026 in “PubMed Central” Natural product nanoparticles improve drug absorption but need better stability and production methods.
854 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
829 citations
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May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
759 citations
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February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
578 citations
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May 1996 in “Plant Cell & Environment” Low phosphorus makes Arabidopsis thaliana grow longer root hairs.
578 citations
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April 1993 in “Cell” TGFα gene mutation in mice causes abnormal skin, wavy hair, curly whiskers, and sometimes eye inflammation.
512 citations
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February 2008 in “Science” Reactive oxygen species and calcium create a feedback loop that shapes root hair cells.
501 citations
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October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
489 citations
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
396 citations
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May 2011 in “Cell stem cell” Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.
385 citations
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November 1990 in “Journal of Cell Science” Human hair follicles can grow in a lab setting.
375 citations
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February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
370 citations
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September 1999 in “The New England Journal of Medicine” Finasteride and minoxidil are effective for hair loss, but continued research is needed for better treatments.
344 citations
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June 2006 in “American Journal Of Pathology” Human hair follicles can provide stem cells for regenerative medicine.
319 citations
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November 2005 in “Proceedings of the National Academy of Sciences” Hair follicle stem cells can help repair damaged nerves.
309 citations
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October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.
305 citations
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December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
303 citations
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August 1971 in “The American Journal of Medicine” Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
294 citations
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August 1999 in “Journal of the American Academy of Dermatology” Laser hair removal is safe with the right settings, but side effects like pain and skin changes are more common in darker or tanned skin.
272 citations
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September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
260 citations
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June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
254 citations
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January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
236 citations
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July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
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.
227 citations
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January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
226 citations
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January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
226 citations
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January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
224 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
220 citations
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June 2013 in “The Journal of Pathology” Lichen planopilaris may be an autoimmune disease causing hair loss due to immune system issues in hair follicles.
218 citations
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January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.