09 Mar 2021 --- North American skin care brand Rodan + Fields has been granted a patent from the US Patent and Trademark Office for the use of its synergistic antioxidant ingredient, dubbed RF3 Antioxidant Complex, in skin products.The complex, developed by the company’s team of scientists at the Rodan + Fields Berkeley Innovation Center, fortifies the skin to be more resilient against future damage caused by environmental factors, including exposure to sunlight.