Skin is constantly exposed to blue light from the sun and electronic devices, which may speed up skin aging. What Ingredients Protect Against Blue Light? The mixture of multiple hyaluronic acids along with beta-carotene in carrot extract can remove dead skin cells and tighten pores while protecting your skin from blue light damage, a blue light face shield. Blue Light Barrier Hyaluronic Toner may be the perfect defense against the damaging properties of blue light. Net Wt. : 100 ml / 3.38 US oz