A revolutionary, state-of-the-art styling tool applying cryotherapy benefits to hair. Heat can extract moisture from the hair - CryoCare The ColdBrush adds moisture back in, hydrating the hair, improving the look and condition. Reaching below-freezing-cold temperatures, The ColdBrush transfers moisture from the air into the hair shaft, aligning each strand, revitalizing the hair, making it softer, smoother and shinier. Hair looks and feels amazingly healthy. 30 minute auto shut-off. Can be used on wet or dry hair. Comes with travel clutch. Cryotherapy for stressed hair. Nano Titanium technology.