77 citations
,
March 2000 in “Journal of Investigative Dermatology” The research identified six functional hair keratin genes and four pseudogenes, providing insights into hair formation and gene organization.
28 citations
,
August 1992 in “Differentiation” A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
2 citations
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
NaOH treatment improves hair strength and suitability for textiles.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
January 2024 in “Archives of Biological Sciences (Beograd)” AP collagen peptides may help hair grow better and become stronger.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
75 citations
,
April 2000 in “Developmental Dynamics” Whn is essential for hair growth, and its malfunction causes hair loss.
69 citations
,
January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration 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.
40 citations
,
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.
36 citations
,
December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
31 citations
,
January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
17 citations
,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
14 citations
,
October 2006 in “Journal of Investigative Dermatology” The keratin naming system was updated to include 54 genes, especially for hair-related keratins.
12 citations
,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
9 citations
,
July 2008 in “Archives of Dermatological Research” 8 citations
,
March 2004 in “Mammalian genome” KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.