1 citations,
January 2024 in “Scientific reports (Nature Publishing Group)” Human hair was used to make biodegradable plastic films that could be useful for packaging and disposable products.
58 citations,
December 2018 in “Nature Communications” Male pattern baldness is mostly inherited, involves many genes, and is linked to other traits like early puberty and strong bones.
7 citations,
December 1971 in “Calcified Tissue Research” Hair follicles in injured skin can quickly accumulate minerals, especially calcium and phosphorus.
[object Object] 3 citations,
January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
25 citations,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
29 citations,
April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
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.
20 citations,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
13 citations,
November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
25 citations,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
45 citations,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
57 citations,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
4 citations,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
1 citations,
January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
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.
59 citations,
July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
January 2020 in “Química Nova” The PW91 method is best for calculating the basic physical and chemical properties of Finasteride, a drug used for prostate issues and hair loss.
13 citations,
February 2015 in “Journal of Pharmaceutical Sciences” Three finasteride forms exist; "form X" doesn't.
[object Object] 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.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
45 citations,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
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.
26 citations,
August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
April 2012 in “KSBB Journal” Minoxidil analogs can be improved for hair growth inhibition by modifying specific parts of their structure.
1 citations,
July 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
521 citations,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.