November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
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.
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.
November 2015 in “Summit (Simon Fraser University)” Surgical stress temporarily changes hair fiber dimensions, returning to normal after four weeks.
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.
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.
CDPDFM can improve acne symptoms in rabbit ears.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
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.
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 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
December 1988 in “Anatomia, Histologia, Embryologia” Frequent hair dye use caused significant hair and skin damage and affected the dogs' behavior.
December 2018 in “72° Congresso di Anatomia e Istologia” Micro-grafts improved hair growth in patients with hair loss.
62 citations
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January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
51 citations
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
42 citations
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December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
41 citations
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January 1992 in “Journal of medical genetics” The study found that males with KFSD had severe skin and eye symptoms, while female carriers had milder symptoms.
40 citations
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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.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.