EnviroScreen Technology is proprietary to Colorescience. EnviroScreen Technology uses patented active ingredients, Zinc Oxide and Titanium Dioxide, which create a barrier preventing free radical formation and oxidative stress. These patented actives are combined with specialty ingredients that, together, work synergistically to protect skin from damage caused by exposure to UVA/UVB rays, pollution, blue light (also known as High Energy Visible, or HEV, light), and infrared radiation.