Here, we present a protocol to use pre-synthesized polymeric products derived from fungal laccase-catalyzed polymerization of plant phenols, either with or without mordant agents (e.g., FeSO4), to induce detergent-resistant keratin hair dyeing within 2.5 hours.
Im, K. M., Jeon, J. Synthesis of Plant Phenol-derived Polymeric Dyes for Direct or Mordant-based Hair Dyeing. J. Vis. Exp. (118), e54772, doi:10.3791/54772 (2016).