Cryotherapy

Cryotherapy uses liquid nitrogen to freeze skin lesions.

The liquid nitrogen is often applied with a "cryo gun" which sprays a thin cold mist onto the skin, resulting in a white, frost-like appearance on the surface of the skin. Cryotherapy may also be applied with a cotton-tipped swab or other methods.

The extremely cold temperature of liquid nitrogen kills the skin cells on the topmost layer . Cryotherapy may be mildly painful, particularly when applied to the face, but anesthesia is rarely if ever necessary.

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