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.
41 citations
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May 2005 in “International Journal of Cosmetic Science” Human hair contains various lipids that vary among individuals and help protect the hair.
15 citations
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August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
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.