34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
A hat with sensors can measure scalp moisture well, helping with hair care.
April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
7 citations
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October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
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.