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. 2018 Jul 10;8(43):24525–24533. doi: 10.1039/c8ra02255k

SPF Values of the pure cream blended with organosolv and kraft lignins from spruce and eucalyptus.

SPF
1% 5%
OS 11.3 ± 0.7 18.5 ± 1.2
KS 10.6 ± 0.7 12.2 ± 0.5
OE 11.2 ± 1.1 14.6 ± 0.5
KE 12.0 ± 0.8 19.7 ± 0.1
Cream-D 0.8 ± 0.0
Cream SPF 20 26.9 ± 0.7