87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
78 citations,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
78 citations,
December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
71 citations,
January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
71 citations,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
70 citations,
December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
63 citations,
March 2000 in “Annals of clinical psychiatry” Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.
60 citations,
June 2019 in “Ageing Research Reviews” Fat from the body can help improve hair growth and scars when used in skin treatments.
60 citations,
April 2012 in “Physiology” The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.
59 citations,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
58 citations,
June 2018 in “Scientific reports” Researchers found 15 new genetic links to skin traits in Japanese women.
58 citations,
January 2003 in “Biological & Pharmaceutical Bulletin” Bombax ceiba stem bark extracts can lower blood pressure, but high doses can be toxic and lethal.
58 citations,
April 1998 in “Journal of biological chemistry/The Journal of biological chemistry” CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.
53 citations,
September 1999 in “The journal of cell biology/The Journal of cell biology” K16 can partially replace K14 but causes hair loss and skin issues.
52 citations,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
48 citations,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
47 citations,
December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
46 citations,
September 2014 in “Tissue engineering. Part A” Researchers created hair-inducing human cell clusters using a 3D culture method.
45 citations,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
43 citations,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
42 citations,
February 2016 in “Science” The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.
42 citations,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
42 citations,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
40 citations,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
40 citations,
June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” FA2H is essential for normal fur and sebum production in mice.
39 citations,
January 2012 in “International Journal of Trichology” Melatonin solution helps treat hair loss in men and women.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
38 citations,
May 2009 in “European journal of dermatology/EJD. European journal of dermatology” TrichoScan® is a reliable tool for measuring hair growth, providing quicker and more consistent results than manual methods.