Liquid Nitrogen Spray For Warts. However, sometimes thicker warts or verrucas need two or more sessions of liquid nitrogen treatment over a period of a few weeks to get to the root. In cryotherapy liquid nitrogen is applied to your wart for a few seconds to freeze and destroy the affected skin cells.
This treatment is called cryotherapy or cryosurgery. 1 ounce (pack of 1) 3.2 out of 5 stars. In cryotherapy liquid nitrogen is applied to your wart for a few seconds to freeze and destroy the affected skin cells.
