June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
December 2021 in “Molecular genetics and genomics” Cats with abnormal hair had DSG4 gene changes causing hair problems.
July 2021 in “Journal of dermatology research and therapy” COVID-19 may worsen hair loss, and Nourkrin® could be a safe treatment option, but more research is needed.
April 2023 in “Medizinische Genetik” Male-pattern hair loss is largely influenced by genetics, with key genes identified.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
188 citations
,
May 2009 in “Plant physiology” Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
31 citations
,
May 2015 in “Stem Cell Reports” Stem cells and their surrounding environment in hair follicles work closely together, affecting hair growth and having implications for cancer and tissue regeneration.
25 citations
,
June 2021 in “Developmental Cell” Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.
24 citations
,
June 1999 in “Mechanisms of Development” Ornithine decarboxylase is crucial for hair growth and follicle development.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
14 citations
,
June 2018 in “JAMA Dermatology” Trichoscopy is useful for diagnosing and monitoring hair and scalp conditions over time.
3 citations
,
October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
2 citations
,
June 2022 in “International Journal of Molecular Sciences” Lower levels of certain genes in hair cells improve hair loss treatment outcomes.
2 citations
,
March 2013 in “Hair transplant forum international” Research on "hair cloning" for hair loss shows potential for hair thickening but has not yet achieved new hair growth in humans.
2 citations
,
January 2010 in “International Journal of Trichology” The Hair India 2010 conference introduced a new hair loss classification and highlighted advanced diagnostic techniques in trichology.
1 citations
,
January 2016 in “Journal of stem cell research and medicine” Fat-derived stem cell therapies can potentially increase hair growth and thickness in people with hair loss.
1 citations
,
January 2016 in “Journal of stem cell research and medicine” Fat-derived stem cell therapies can potentially increase hair growth and thickness in people with hair loss.
October 2025 in “Journal of Advanced Trends in Medical Research” Exosomes and PRP both show promise for hair loss treatment, but more research is needed.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
September 2023 in “JPRAS Open” Botulinum Toxin A may help with hair growth and has some side effects; more research is needed.
129 citations
,
January 2007 in “Otology & Neurotology” Gene therapy with the Math1 gene helped regenerate balance-related cells and improve balance in mice.
63 citations
,
January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
4 citations
,
January 2025 in “Journal of Materials Chemistry B” The hydrogel effectively treats complex wounds by promoting healing and preventing infection.
1 citations
,
September 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing Dicer from pigment cells in newborn mice causes early hair graying and changes in cell migration molecules.
101 citations
,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.