3 citations
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January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
January 2026 in “Brazilian Journal of Pharmaceutical Sciences” Conditioners with jojoba and coconut oils improve hair feel and reduce damage perception.
19 citations
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May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
July 2026 in “Preprints.org” A cysteamine-derived compound helps hair stay straight in high humidity.