17 citations,
February 2019 in “PubMed” Stem cells can help regenerate hair follicles.
39 citations,
July 2007 in “Archives of Pharmacal Research” A tripeptide-copper complex may help hair grow by increasing cell growth and decreasing cell death.
34 citations,
August 2003 in “Clinical and Experimental Dermatology” Pregnant women's hair gets thicker.
87 citations,
March 2005 in “Journal of Dermatological Science” Asiasari radix extract promotes hair growth and increases protein synthesis and cell proliferation.
28 citations,
January 2007 in “Journal of dermatology” Three white adults had a rare scalp condition with increased fat and sometimes hair loss, suggesting it's not limited to black women and might be more widespread.
36 citations,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
100 citations,
December 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.
February 1994 in “Archives of Dermatology” Both parties agree that cell death is important in the hair cycle, but they have different views on the role of the catagen phase and hair shedding.
106 citations,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
38 citations,
December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
501 citations,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
22 citations,
June 1980 in “International Journal of Dermatology” The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
11 citations,
September 1997 in “Archives of Dermatology” Reduced androgens linked to kinky hair disorder and hair loss; 5a-reductase inhibitors may help.
31 citations,
July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Hair restoration surgery effectively treats hair loss with natural-looking results, using techniques like stem cells and platelet-rich plasma.
27 citations,
July 2018 in “Journal of optometry” Eyelashes protect the eyes, but more research is needed to understand how.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
28 citations,
December 2016 in “Journal of Biomedical Materials Research Part A” Bone-forming cells grow well in 3D polymer scaffolds with 35 µm pores.
6 citations,
June 2022 in “Frontiers in Bioengineering and Biotechnology” The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.
35 citations,
January 2020 in “Skin Pharmacology and Physiology” The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.
56 citations,
July 2005 in “Experimental Dermatology” Injected human hair follicle cells can create new, small hair follicles in skin cultures.
17 citations,
May 2018 in “PeerJ” VB-1, a natural compound, may promote hair growth by enhancing a key cell growth pathway.
305 citations,
February 2007 in “Hormone and metabolic research” Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
1 citations,
December 2022 in “Applied Sciences”
5 citations,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
33 citations,
October 2013 in “PloS one” Human sweat glands have a type of stem cell that can grow well and turn into different cell types.
39 citations,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
62 citations,
February 2016 in “ACS Applied Materials & Interfaces” Technique creates 3D cell spheroids for hair-follicle regeneration.
8 citations,
September 2003 in “Journal of dermatological science” Substance P helps hair grow longer and faster.