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How long does it take for skin to heal from liquid nitrogen

Liquid nitrogen is a cold, liquified gas with a temperature of 196°C below zero. It is used to freeze and destroy superficial skin growths such as warts and keratoses. Liquid nitrogen may cause mild stinging while the growth is being frozen and then thaws. The discomfort usually lasts less than five minutes.

Some hours after liquid nitrogen treatment your skin may become slightly swollen and red; later on it may form a crust, scab, or blister. The scab will fall off by itself in one to two weeks . The skin growth will come off along with the scab, leaving healthy new skin.

Related Reading:What Is Liquid Nitrogen Used For

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