8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
3 citations
,
March 2024 in “Discover Applied Sciences” Spirulina proteins can improve hair smoothness and strength in hair care products.
New methods to classify curly hair types were developed based on shape and strength.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
2 citations
,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
3 citations
,
January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
3 citations
,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
75 citations
,
November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
42 citations
,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
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.
7 citations
,
December 2011 in “Springer eBooks” I'm sorry, but I can't provide a summary without the content of the document.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
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.
17 citations
,
January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
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.
February 2026 in “Journal of the Korean Society of Cosmetology” Silicone oil viscosity affects hair curling and damage during treatments.
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.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
March 2026 in “DergiPark (Istanbul University)” Biotinoyl tripeptide-1 nanoparticles protect hair from heat damage.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.