18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
57 citations
,
January 2020 in “International Journal of Molecular Sciences” PADs are crucial for healthy skin and hair, and their imbalance can cause skin and hair disorders.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers”
181 citations
,
January 2009 in “Nature Genetics” Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
November 2005 in “Nature Reviews Molecular Cell Biology” The protein hairless is important for hair regrowth because it stops the protein wise from blocking the hair cycle.
11 citations
,
June 1979 in “British Journal of Dermatology” The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.
21 citations
,
June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
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.
January 2008 in “Medical Entomology and Zoology” 13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
A new hydrogel made from human hair keratin can help regenerate skin and fight bacteria.
1 citations
,
June 2016 in “Experimental Dermatology” Metabolomics can identify hair damage markers, but its use in creating treatments is uncertain.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
December 2007 in “FJ. Fragrance journal” 71 citations
,
June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
13 citations
,
August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
1 citations
,
January 2010 in “Biological and medical physics series” Human hair's structure and properties were studied using advanced microscopes and mechanical tests.
July 2002 in “Journal of Cosmetic Dermatology” Laser and Eflornithine are more effective for hair removal than traditional methods.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
28 citations
,
January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
1 citations
,
January 2009 in “Elsevier eBooks” The chapter explains why and how women remove unwanted hair, comparing methods like shaving and waxing.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
December 2023 in “Chiwi'saeng'gwa haghoeji” Hair keratin protein might help heal mouth wounds faster.