The Cryo Rubber™ Masks From Dr. Jart+ Really Put This Brand On The Map Around The World. What'S With That Weird Baby On The Packet? Does Cryo Mean It Freezes My Face? Here'S The Deal: These Masks Are Essentially A Two-Part Treatment, Composed Of A Potent Serum And Then A Cooling, Kelp-Infused Rubber Sheet To Soften The Skin And Seal In The Goodness For Maximum Absorption. And They Work - Clinical Studies Have Shown A Reduction In Redness And Improved Circulation!