Enzymatic Synthesis of Biosafe Hematoxylin Dyes on Hair: Enhanced Post-Dyeing Hair Health and Boosting Color Fastness
November 2025
in “
International Journal of Biological Macromolecules
”
Studysummary This study introduced an eco-friendly enzymatic hair dyeing process utilizing laccase-catalyzed polymerization of hematoxylin, achieving intense, long-lasting color comparable to commercial dyes while enhancing hair strength and offering antioxidant and UV-shielding benefits.
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