October 2022 in “Chinese Journal of Dermatology” Dry skin does not mean the skin's protective barrier is broken; it's often due to a lack of natural skin moisturizers.
211 citations
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June 2012 The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
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.
43 citations
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July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
25 citations
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November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.