Liquid Nitrogen is used to remove pigmentation, that is to say, cryotherapy is used to remove pigmentation, and the contraindications mainly include severe cold urticaria, Raynaud’s disease, and those who are old and weak and cannot tolerate it, and so on.
Cryotherapy is a commonly used treatment method for skin diseases, which mainly uses the extremely low temperature of liquid nitrogen to act directly on the lesion site, causing the blood vessels of local tissues to undergo rapid contraction, resulting in tissue necrosis due to ischemia and hypoxia.
As the principle of cryotherapy is related to low temperature, so the contraindication group mainly includes some diseases related to low temperature, such as severe cold urticaria, cryoglobulinemia, Raynaud’s disease and so on.
The cautious people of cryotherapy include: old and weak people who can’t tolerate it, a few people with scarred physique, diabetes with lower limb blood circulation disorder and so on.
When choosing cryotherapy to get rid of pigmentation, it is important to ask your doctor to evaluate it first and choose a regular medical institution for consultation.