The ten-piece set contains sheet masks made of unbleached fabric with cottonseeds that are gentle on skin. Soaked in 100% green tea, the masks prevent skin damage, thanks to the antioxidant benefits of green tea, and keep skin fully hydrated when used regularly. Masks are free of parabens, mineral oil, synthetic silicone, tar and color additives. Apply on cleansed face and leave on for 20 to 30 minutes. Gently massage remaining essence on skin.