September 2017 in “Journal of Investigative Dermatology” Mackerel fermented fish oil protects skin cells from damage by UVB light.
2 citations,
January 2004 in “PubMed” Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
76 citations,
May 2011 in “Cell death and differentiation” A20 protein is crucial for normal skin and hair development.
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.
20 citations,
January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
5 citations,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
10 citations,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
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.
10 citations,
March 2005 in “International Journal of Cosmetic Science” Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
6 citations,
May 2021 in “Aesthetic Surgery Journal” Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
62 citations,
January 2003 in “Dermatology” Sunlight worsens hair loss; protect scalp.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
13 citations,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
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.
Understanding hair surface properties is key for effective hair care products.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
1 citations,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
1 citations,
January 2023 in “Frontiers in veterinary science” Activating autophagy in dogs with certain diseases improves their skin and hair.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
25 citations,
February 2007 in “Forensic science international” Different hair cleaning methods caused varying levels of damage to the hair's outer layer.
7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
9 citations,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
July 2023 in “Turkish journal of veterinary research” Wild boar bristles in Balıkesir vary in length and thickness but are unsuitable for species separation.
43 citations,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
40 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
19 citations,
July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.