September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
December 2024 in “Biomedical & Pharmacology Journal” Hair Tonic A, with white tea extract, is better for improving hair health.
233 citations
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February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
25 citations
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May 2020 in “Progress in Organic Coatings” Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.