Hair fibers degrade and change color in very basic water.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
January 2016 in “International journal of clinical pediatrics” Valproic acid may cause temporary hair changes like loss or thinning in children.
November 2015 in “Summit (Simon Fraser University)” Surgical stress temporarily changes hair fiber dimensions, returning to normal after four weeks.
October 2015 in “Cosmetic Dermatology” Hair styling products and tools help improve hair's look and manageability but can damage hair if used incorrectly.
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
Applying conditioner in the middle of a perm process reduces hair damage.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
January 2012 in “한국미용학회지” Applying conditioner in the middle of a perm process reduces hair damage the most.
December 2011 in “URMIA MEDICAL JOURNAL” Glycoconjugate sugars are important for hair follicle development.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
January 2009 in “Journal of Zhengzhou University” LAIC cream can improve acne by making skin thinner and softer.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
CDPDFM can improve acne symptoms in rabbit ears.
Different treatments change the strength and flexibility of human hair.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
The 16th-century mummy's hair was well-preserved due to a calcium coating.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
SLE patients experience hair loss similar to telogen effluvium, with hair damage and immune activity at hair follicles.