19 citations,
December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
11 citations,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
9 citations,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
8 citations,
January 2012 in “International journal of polymer analysis and characterization/IJPAC. International journal of polymer analysis and characterization/IJPAC. International journal of analysis and characterization” Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
3 citations,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
41 citations,
September 2010 in “Journal of dermatological science” Bone marrow and umbilical cord stem cells can help grow new hair.
18 citations,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
8 citations,
May 2004 in “Textile Research Journal” Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
6 citations,
September 2013 in “Advanced materials research” Non-ionic silicone emulsion best protects hair color from sunlight.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
48 citations,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
56 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
309 citations,
October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.
99 citations,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
97 citations,
January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
68 citations,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
47 citations,
September 2011 in “Acta biomaterialia” Protein composition greatly affects the function of keratin biomaterials.
41 citations,
May 2005 in “International Journal of Cosmetic Science” Human hair contains various lipids that vary among individuals and help protect the hair.
38 citations,
March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
29 citations,
April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
10 citations,
January 2010 in “International Journal of Trichology” Synthetic hair fibers for hair restoration were controversial in 2009 due to health risks and lack of support from the International Society of Hair Restoration.
2 citations,
April 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
1 citations,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
1 citations,
October 1996 in “Dermatologic clinics” Adiponectin reduces inflammation and bone loss in joint replacements.