US Patent No. 11,957,769 B2 (Vijay Krishna, Sanjay Anand, Edward Maytin, Stephen Grobmyer); The Cleveland Clinic, Cleveland, OH, has been awarded a US patent for a sunscreen composition that contains polyhydroxy fullerenes (PHF) as a multifunctional active ingredient. The use of PHF as the active ingredient in sunscreen overcomes the concerns associated with traditional active ingredients in current sunscreen formulations, say the inventors. Polyhydroxy fullerenes are a water-soluble form ...