April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
June 2025 in “Rapid Communications in Mass Spectrometry” The new method improves protein extraction and analysis in hair, aiding biomedical and forensic work.
September 1995 in “PubMed” Ozonized autohaemotherapy improves hair growth in people with hair loss.
14 citations
,
June 2016 in “Hypertension research” New method uses hair follicle cells to estimate human body clock phase, potentially improving sleep disorder diagnosis.
8 citations
,
January 2020 in “PeerJ” Alopecia Areata causes significant structural and compositional changes in hair.
48 citations
,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
13 citations
,
April 2022 in “Frontiers in oncology” Melanoma development can be linked to the breakdown of skin's melanin-producing units.
425 citations
,
June 2020 in “Nature” Scientists created human skin with hair from stem cells, which could help treat hair loss and skin conditions.
April 2023 in “Cancer Research” Plucked hair can effectively monitor drug effects in cancer treatment.
March 1990 in “Journal of Dermatological Science”
160 citations
,
April 2012 in “Journal of Cellular and Molecular Medicine” Telocytes might help with skin repair and regeneration.
98 citations
,
June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
82 citations
,
January 2002 in “Journal of drug targeting” Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.
81 citations
,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
67 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Androgens promote beard growth but cause hair loss in androgenetic alopecia, with TGF-β1 as a potential treatment target.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
41 citations
,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
39 citations
,
March 2008 in “Journal of biological chemistry/The Journal of biological chemistry” GLI2 increases follistatin production in human skin cells.
32 citations
,
August 2006 in “Archives of Dermatological Research” Dermal papilla cells can help regrow hair follicles.
30 citations
,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
29 citations
,
February 2019 in “Journal of Microbiology and Biotechnology” Silibinin may help hair growth and treat hair loss.
29 citations
,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
26 citations
,
February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
24 citations
,
November 2019 in “Experimental Dermatology” PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.
19 citations
,
December 2023 in “Journal of Investigative Dermatology” Scalp hair follicle microbes affect hair health and could be used for treatments.
19 citations
,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
13 citations
,
October 2010 in “Methods in molecular biology” Hair follicle culture helps study cell interactions and effects of substances on tissue growth.
7 citations
,
November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
4 citations
,
September 2020 in “PeerJ” Platelet factor 4 slows down hair growth and could make hair loss treatments more effective if removed.
4 citations
,
July 2020 in “Biochemical and Biophysical Research Communications” A protein called ectodysplasin-A2 increases a hair growth inhibitor in balding cells, which could be a target for hair loss treatment.