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In this study, the antibacterial properties of pharmaceutical grade kaolin modified with copper were tested to determine its suitability to be used in pharmaceutical and cosmetic applications. Both kaolin?s and copper?s antimicrobial activity have been highlighted by multiple researches. The sample was prepared by submerging the kaolin into saturated CuCl2 solution in order to load the nanoparticles with copper, utilizing the cation exchange capacity (CEC). Mineralogical analysis was conducted by X-ray diffraction...