It contains a sunscreen ingredient that provides maximum sun protection from the harmful UV radiation to prevent skin darkening and damaging of skin cells.

Reference: RDL Sunblock Cream SPF15 12g | RDL Pharmaceutical Lab. Inc. (n.d.). RDL Pharmaceutical Lab. Inc. http://rdlpharmaceutical.com.ph/product/rdl-sunblock-cream-spf-15-12g/