The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.
January 2007 in “Elsevier eBooks” The document concludes that hair transplantation for Asians should consider unique scalp and hair traits, use small grafts, and combine surgery with medication like finasteride and minoxidil for best results.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
October 1987 in “Clinics in Dermatology” Hair transplantation is beneficial if the right patients are chosen and the procedure is done carefully.
April 2019 in “Journal of emerging technologies and innovative research” Early treatment of Female Pattern Hair Loss is important to stop it from getting worse, and various treatments can help, especially in mild to moderate cases.
Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
35 citations,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
14 citations,
April 2005 in “Experimental Dermatology” Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
4 citations,
December 2012 in “Human Biology” The most different genetic segment between Africans and East Asians is the EDA2R/AR region, with two main types influenced by population changes and natural selection, and linked to baldness.
1 citations,
July 2018 in “Elsevier eBooks” Many treatments for hair loss show potential, but more testing is needed to confirm their effectiveness. Only minoxidil for women and minoxidil and finasteride for men are FDA approved.
Ingesting minoxidil can cause serious heart problems and requires urgent medical treatment.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
May 2014 in “Transfusion and Apheresis Science” The study found that the quality of cord blood units remains consistent before freezing and after thawing, indicating that attached tube segments reliably represent the graft's properties.
36 citations,
November 2018 in “American Journal of Clinical Dermatology” Alopecia is linked to various health and mental conditions, impacts life quality, and needs medical attention beyond its cosmetic effects.
36 citations,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
19 citations,
August 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” Certain plant extracts can effectively treat skin conditions like athlete's foot, chronic vein problems, sun damage, skin growths, vitiligo, and hair loss, and may also improve skin appearance.
152 citations,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
April 2023 in “Dermatologica Sinica” Sex hormones affect hair growth and loss, and treatments for related hair diseases include various medications, hair transplantation, and light therapy.
51 citations,
January 1989 in “Journal of Investigative Dermatology” Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.
33 citations,
April 2012 in “British Journal of Dermatology” Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.
30 citations,
October 2010 in “Biochemical and biophysical research communications” The Gsdma3 gene is essential for normal hair development in mice.
28 citations,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
14 citations,
May 2019 in “Journal of Maxillofacial and Oral Surgery” FUE hair transplant is a promising method with benefits like less scarring, but requires a skilled surgeon and can damage hair follicles.
14 citations,
April 2013 in “Journal of dermatological science” Hairless protein reduces Msx2 gene activity, affecting hair follicle development.
13 citations,
April 2009 in “PLOS ONE” No clear link between androgen receptor variation and hair loss, but more research needed.
7 citations,
July 2012 in “Regenerative Medicine” New treatments for diabetes, central nervous system repair, and cartilage injury were found, and a way to create functional hair follicles from stem cells was developed.