Development of lignin based sunblockers for suncreams by Chua, Yun Khim

“…Among the various percentages of lignin-PEGMA grafted copolymer incorporation, and feed ratios of lignin to PEGMA, that had been experimented, 10% lignin-PEGMA500 (0.4g : 2g) grafted copolymer (A1) was deemed to provide the best sun-cream performance, especially in Shiseido SPF15 sun-cream. It had improved the SPF from 15.36 ± 2.44 to 38.53 ± 0.26. …”
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