111Skin Oxygen Express Mask in Beauty: NA. 111Skin Oxygen Express Mask in Beauty: NA. Formulated to revitalize the skin to optimize its function, the Oxygen Express Mask works to tone, tighten and refine the appearance of the complexion with Oxygen, ATP and 5 potent complexes - all inspired by the effects of 111Skin's signature cryotherapy technology. This stimulating mask is infused with Egyptian Cucumber Extract, Jiaogulan & Ginseng Extracts, Hyaluronic Acid Complex, and Mattifying & Soothing Phyto-Complexes to leave the skin refreshed, mattified, and pores minimized.. Suitable for normal skin. Targets concerns of dullness and pores. Cruelty-free. 2.54 fl oz/ 75 ml. Apply a generous amount onto clean skin. Leave on for up to 10 minutes, then wash off thoroughly with water and follow with your usual 111SKIN routine. Use 2 -3 times a week. 111R-WU82. OXYMSK75. Working in collaboration with space scientists responsible for the well-being of astronauts, renowned cosmetic surgeon Dr. Yannis Alexandrides developed the patented NAC Y2 formula that runs through the core of his highly effective skincare line. Named after his Harley Street, London clinic, 111SKIN's cutting-edge products feature potent healing ingredients designed to promote a youthful and radiant appearance while offering unprecedented protection against environmental damage.