A biodegradable sheet mask.Obsessed with your phone? Shield against screenemitted light with the AntiBlue Light Sheet Mask from Oh K! Overexposure to blue light can cause the skin to release free radicals that can over time; cause premature aging. This biodegradable sheet mask has been enriched with antioxidants that help to protect and ginger that helps to improve skin tone and elasticity; resulting in a softer; smoother; more hydrated complexion.VeganCrueltyfreeBiodegradable sheet mask