January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
May 2023 in “International journal of pharmaceutical sciences and medicine” Sunflower oil was found to promote hair growth in mice with hormone-induced hair loss.
February 2010 in “Journal of The American Academy of Dermatology” Low-level laser therapy increased hair growth compared to no treatment.
February 2010 in “Journal of The American Academy of Dermatology” Social or cultural norms, not hair type, more likely influence how often people wash their hair.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
36 citations
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September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
December 2025 in “Frontiers in Medicine” ARWH is a rare hair disorder with no cure, but potential treatments include minoxidil and other therapies.
21 citations
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April 2014 in “PLoS ONE” A rare gene variant causes hair and nail issues in a family.
10 citations
,
May 2015 in “International Journal of Women's Dermatology” New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.
April 2019 in “Journal of Investigative Dermatology” Differences in growth factors in platelet-rich plasma therapy for hair loss can vary between patients and can be influenced by the devices used, possibly leading to inconsistent results.
97 citations
,
March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
107 citations
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June 1997 in “PubMed” EGFR is essential for normal hair development and follicle differentiation.
45 citations
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January 2010 in “Journal of Veterinary Medical Science” A gene mutation causes curly hair and hair loss in rats.
3 citations
,
September 2016 in “Hair transplant forum international” Southeast and East Asian men typically have straighter hairlines with less recession and lower hair density, which is important to consider in hair restoration surgery.
July 2021 in “Clinical Case Reports and Clinical Study” Herbal hair gels are better for hair health than synthetic ones.
30 citations
,
August 2004 in “British Journal of Plastic Surgery” Chest hair can be successfully used for scalp hair transplants, growing longer like scalp hair.
84 citations
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April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
22 citations
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July 2003 in “Military medicine” New treatments are available for managing ingrown hair inflammation.
3 citations
,
January 2020 in “Clinical dermatology review” Trichoscopy is useful for diagnosing hair and scalp disorders in people with darker skin.
October 2024 in “Cosmoderma” Proper hair care and suitable products are essential for men's scalp health and well-being.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
854 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
234 citations
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November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.
170 citations
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January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
119 citations
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
77 citations
,
April 1999 in “Dermatologic Clinics” The document concludes that follicular unit transplantation offers more natural results and better graft survival than older hair transplant methods.
72 citations
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September 1997 in “Dermatologic Surgery” Careful planning and patient counseling can lead to excellent hair transplant results, often in one or two sessions.