Mole/ Wart /Skin tag /veruka 

Cryotherapy uses a very cold substance such as liquid nitrogen to freeze the superficial layer of the skin (epidermis). The liquid nitrogen is normally applied using a spray gun but can be applied using a cotton wool bud for greater accuracy and, for example, to treat areas close to the eyes.

Using a cryotherapy spray gun, the skin temperature is lowered to minus 100C for five to 15 seconds, depending on the thickness of the lesion. The procedure produces a burning pain, which may persist for up to a minute as the skin thaws.

The treated area will usually form a scab which takes a week or two to resolve. Treatment may alter the texture and colour of the skin. For this reason, cryotherapy should be used with caution in patients with darker skin, particularly on exposed areas such as the face, due to the risk of depigmentation.