109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
106 citations,
January 2013 in “Clinical and Developmental Immunology” Alopecia areata is caused by immune system attacks on hair follicles, often triggered by viral infections.
91 citations,
August 2015 in “Anais Brasileiros De Dermatologia” Female Pattern Hair Loss affects women's self-esteem and needs more research for better treatment.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
68 citations,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
57 citations,
November 1998 in “Wound Repair and Regeneration” Hair papilla cells can create and regenerate hair bulbs under the right conditions.
56 citations,
January 2001 in “Dermatology” Teloptosis is a key point in hair loss that could help in creating prevention-focused hair care strategies.
45 citations,
July 2009 in “Journal of human genetics” A gene variation is linked to hair thickness in Asians.
44 citations,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
41 citations,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
37 citations,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
35 citations,
April 2008 in “Human Molecular Genetics” Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.
25 citations,
October 2017 in “Clinics in Dermatology” Older adults commonly experience hair loss and nail disorders due to aging and health changes, affecting their quality of life.
24 citations,
September 2002 in “Dermatologic Surgery” The place where hair is transplanted can affect its growth and survival rates.
23 citations,
February 2015 in “The American journal of pathology” Keratosis pilaris is often linked to genetic mutations and causes skin and hair abnormalities, regardless of those mutations.
23 citations,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
22 citations,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
21 citations,
December 2007 in “Journal of Investigative Dermatology” Hair follicles evolved from oil glands, with hair aiding secretion transport.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
18 citations,
July 2007 in “Hair transplant forum international” Platelet-rich plasma may improve healing and hair growth in hair transplant surgery.
17 citations,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
16 citations,
January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
16 citations,
April 2009 in “Dermatologic Surgery” The place where hair is transplanted can change its growth rate and length but not its thickness.
16 citations,
January 2014 in “Dermatology online journal” The document concludes that Follicular Unit Extraction is an advanced, less invasive hair transplant method with fewer side effects than traditional methods.
15 citations,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
13 citations,
December 2001 in “Journal of Investigative Dermatology” Overexpressing ornithine decarboxylase and v-Ha-ras in keratinocytes leads to invasiveness and malignancy.
12 citations,
February 2022 in “Acta Biomaterialia” Minoxidil-loaded hyaluronic acid microneedles can effectively increase hair growth and could be a promising treatment for hair loss.
12 citations,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
12 citations,
November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.