Tag: SCJohnson

SCJohnson Stokoderm 50+ Sun Protection UVA, UVB and UVC rays Instruction Manual WHAT IS UV?? Ultraviolet (UV) radiation is an invisible type of radiation produced by the sun. There are three distinct types: UVA, UVB and UVC rays1. UVA rays have a longer wavelength, which means they are able to penetrate into deeper layers of…