8 citations
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February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
6 citations
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November 1960 in “Experimental Biology and Medicine” Hair growth stages don't significantly change lipid content in mouse skin.
7 citations
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February 1962 in “Experimental Biology and Medicine” Male and female mice have different lipid compositions in their skin during hair growth cycles.
5 citations
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January 1961 in “PubMed” Cholesterol and phospholipids increase in mouse skin during cancer development, with differences between male and female skin.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
March 2024 in “International journal of molecular sciences” Meibomian glands are highly specialized and differ significantly from other sebaceous glands in structure and function.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
8 citations
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November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
14 citations
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September 1999 in “Mammalian genome” The scraggly mutation causes hair loss and skin defects in mice.
67 citations
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April 2014 in “Biochemical Journal” Ceramide synthase 4 deficiency in mice leads to hair loss due to altered sebum lipids.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
2 citations
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July 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.
24 citations
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July 2018 in “Stem cells” Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Different diets change the fat composition in mouse skin, often reducing beneficial omega-3 fatty acids.
42 citations
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January 2005 in “Applied spectroscopy” Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
2 citations
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October 2012 in “Experimental Dermatology” Deleting the Sox21 gene changes hair lipid composition and increases cholesterol sulfate levels.
105 citations
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June 2010 in “The journal of sexual medicine” Testosterone undecanoate increases lean mass and causes various physical changes in female-to-male transsexuals.
20 citations
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May 1985 in “British journal of nutrition” Dietary essential fatty acids improved skin and hair conditions and partially corrected fat composition in diabetic mice.
July 2024 in “Journal of Investigative Dermatology” Losing both ERBB2 and ERBB3 receptors in mice causes significant skin problems and inflammation.
March 2026 in “International Journal of Dermatology” Changes in scalp microbes may contribute to hair loss, suggesting new treatment options.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
43 citations
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July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
30 citations
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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.
6 citations
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June 2013 in “International Journal of Cosmetic Science” Lipids are crucial for maintaining hair structure and health.
23 citations
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May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
59 citations
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October 2012 in “Pharmaceutical Research” Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.
21 citations
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March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.