ITK Broad Spectrum SPF 50 Sunscreen Serum with Vitamin E, Pro-Vitamin B5 + Zinc Oxide for Sun + Blue Light Protection | Paraben Free, Cruelty Free + Vegan | Dermatologist tested, 2 oz is a lightweight serum-moisturizer that protects with mineral SPF and antioxidants for superior defense against damaging UVA/UVB rays, blue light from various mobile devices and environmental aggressors like air pollution, smoke, and other pollutants.