Development of a Hybrid Chitosan- and Niacinamide-Coupled ZnO Nanoparticle Composite for Sun Protection Application

Figure 8

SPF activity of ZnO, CS/ZnO, and Nia/ZnO with time. The emulsions which was prepared for the experiment method of the previous part (Section 2.2) were applied on the cell plates and measured at UV-2000 300 mg/cm³.

(a)

(b)