1 citations,
July 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
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.
4 citations,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
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.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
28 citations,
October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
4 citations,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
90 citations,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
191 citations,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
13 citations,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
7 citations,
August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
2 citations,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
788 citations,
February 2007 in “Nature” The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.
193 citations,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
140 citations,
August 2011 in “Biomaterials” Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
62 citations,
January 2003 in “Dermatology” Sunlight worsens hair loss; protect scalp.
59 citations,
June 2008 in “Journal of The American Academy of Dermatology” The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
48 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
47 citations,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
47 citations,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.