Circadia Light Day Sunscreen for face and neck. Broad Spectrum SPF 37. Our environment requires daily protection with new levels of performance. Award winning photo stabilizer Solastay® S1 reduces sensitivity issues often associated with UV absorbers. New age antioxidants Lipochroman-6 (TM) and Preventhelia (TM) prevent damage to DNA proteins caused by UV exposure. This light lotion contains grape stem cell culture extract to enhance photo protection and delay cell senescence. Fast absorbing with an elegant feel, this is designed for daily use.