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.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
68 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
60 citations
,
December 2005 in “Biomedical Papers” Hair analysis can detect drug use but requires careful interpretation due to its complexity.
59 citations
,
May 2014 in “Expert Opinion on Therapeutic Targets” The document concludes that targeting 5α-reductase, the androgen receptor, and hair growth genes, along with using compounds with anti-androgenic properties, could lead to more effective hair loss treatments.
57 citations
,
June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
54 citations
,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
53 citations
,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
53 citations
,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
53 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
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
,
May 2011 in “Phytotherapy Research” Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
51 citations
,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
50 citations
,
September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.
49 citations
,
September 2007 in “Journal of Investigative Dermatology” The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.
46 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting Acvr1b in mice causes severe hair loss and thicker skin.
46 citations
,
October 2009 in “Archives of Dermatology” Loose anagen hair syndrome, often affecting young girls, can be diagnosed with a hair-pull test and usually gets better on its own, but severe cases may need treatment.
45 citations
,
May 2003 in “Journal of Cell Science” α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
44 citations
,
September 2012 in “Archives of Dermatology” Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.
43 citations
,
November 2007 in “Dermatologic Clinics” Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.
41 citations
,
June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
41 citations
,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
39 citations
,
September 2011 in “Tissue Engineering Part B-reviews” Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.
37 citations
,
October 2014 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
37 citations
,
October 2009 in “Dermatology” Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.
34 citations
,
November 2008 in “British Journal of Dermatology” Hair extensions can cause hair loss and scalp damage, and these problems might be more common than people realize.