4 citations,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
45 citations,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
12 citations,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
1 citations,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
October 2023 in “Journal of Molecular Liquids” A new method using imidazole-based liquids efficiently extracts keratin from yak hair.
52 citations,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
January 2025 in “Cellular and Molecular Biology” The PIP5K1A gene helps cashmere growth in goats by promoting cell proliferation, and melatonin boosts its expression.
86 citations,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
2 citations,
December 2016 in “EMBO journal” Susan Lee Lindquist was a pioneering biologist who made significant contributions to understanding protein folding and its role in disease.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
52 citations,
November 2013 in “European Journal of Pharmaceutical Sciences” Chitosan-decorated polymersomes improve finasteride delivery for hair loss treatment.
May 2023 in “Antioxidants” Peptides from oysters may safely and effectively heal skin wounds with less scarring.
5 citations,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
38 citations,
June 2016 in “Nanomedicine: Nanotechnology, Biology and Medicine” Peptide hydrogel scaffolds help grow new hair follicles using stem cells.
7 citations,
October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
16 citations,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
12 citations,
September 2018 in “Journal of Drug Delivery Science and Technology” The silk fibroin hydrogel with FGF-2-liposome can potentially treat hair loss in mice.
Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
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.
12 citations,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
17 citations,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
9 citations,
May 2021 in “BioMed research international” Human hair-derived particles can effectively carry and release the cancer drug Paclitaxel in a pH-sensitive manner, potentially targeting cancer cells while sparing healthy ones.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.