By now, most of us are familiar with the futuristic glow of LED face masks —those sci-fi-looking devices that promise better skin by way of red and blue light-emitting diodes. The Shark CryoGlow Mask, however, combines that glow with cryotherapy, a treatment that still carries an air of mystery for the everyday self-care enthusiast. Traditionally reserved for high-end spas, cryotherapy is steadily moving into at-home beauty realm, and Shark Beauty’s CryoGlow LED Mask is leading the way.

While LED face masks are already trending in both the U.S. and the U.K.—with cosigns from celebrity fans and Vogue ’s very own—the CryoGlow stands out in a crowded category. But what exactly sets the device apart from the wave of LED light therapy tools already on shelves?

Ahead, we unpack the techn

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