126 citations
,
January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
64 citations
,
January 2015 in “BioMed Research International” Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
54 citations
,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
43 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
41 citations
,
October 2000 in “Dermatologic clinics” Better hair care products are needed to protect against grooming and chemical damage.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
39 citations
,
October 1967 in “British Journal of Dermatology” Hair loss in women often doesn't follow a pattern, isn't linked to age, may be genetic, and can be related to thyroid issues or other health factors.
38 citations
,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
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.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
35 citations
,
October 2012 in “Dermatologic Clinics” Autoimmune diseases can cause hair loss, and early treatment is important to prevent permanent damage.
33 citations
,
August 1985 in “Archives of Dermatology” Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
30 citations
,
August 1983 in “Pediatric Clinics of North America” Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
15 citations
,
February 2017 in “International Journal of Women's Dermatology” Hair aging and loss are caused by genetics, hormones, environment, and grooming, with treatments like minoxidil effective for certain types of hair loss.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
11 citations
,
June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
9 citations
,
July 2020 in “Journal of Animal Physiology and Animal Nutrition” Melatonin given to pregnant rabbits improved their babies' fur quality.
9 citations
,
November 2008 in “Journal of Cosmetic Dermatology” Artificial hair implantation is generally safe and can restore hair when other treatments fail, but some patients may experience side effects.
8 citations
,
July 2017 in “Biochemical and biophysical research communications” A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.
8 citations
,
January 2012 in “International journal of polymer analysis and characterization/IJPAC. International journal of polymer analysis and characterization/IJPAC. International journal of analysis and characterization” Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
8 citations
,
January 2008 in “Pediatric dermatology” Hair gels may cause split ends in children.
8 citations
,
March 1979 in “International Journal of Dermatology” Dr. Vera H. Price's 1979 work emphasizes the importance of accurate diagnosis and personalized treatment for hair loss.
6 citations
,
November 1988 in “Journal of the American Academy of Dermatology” The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.