Etude House 0.2 Therapy Air Mask- Cherry Blossom (Firming Brightening) is an incredibly thin, hypoallergenic sheet mask that sits on the skin light and comfortable like air! This line of masks delivers "7-free" (Imidazolidinyl Urea, Polyacryamide, Triethanolamine, mineral oil, silicon oil, pigment, fragrance) essences to the skin directly through the 0.2mm air sheet, allowing remarkable air penetration to allow your skin to breathe comfortably.