10 citations
,
November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
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.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
4 citations
,
July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.