8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
8 citations,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
15 citations,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
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17 citations,
July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
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.
25 citations,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
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7 citations,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
12 citations,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
7 citations,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
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.
11 citations,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
37 citations,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
20 citations,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
193 citations,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
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.
12 citations,
February 2014 in “Recent Patents on Inflammation & Allergy Drug Discovery” Shampoos have evolved into multifunctional products with patented innovations for different hair needs and can include medicinal herbs for hair and scalp health.
42 citations,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
23 citations,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
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.
44 citations,
January 2010 in “International journal of trichology” Choosing the right shampoo for your hair type is crucial.
30 citations,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
86 citations,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
15 citations,
January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
