October 2012 in “한국미용학회지” For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.
2 citations
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September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.