Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
1 citations
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April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.
4 citations
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August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
Modern hair styling products don't repair hair but improve its surface and stability.
13 citations
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March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.