1. Chemical corrosion method: generally, a dilute weak acid solution is used to cause superficial skin burns, so that the pigment falls off with the necrotic tissue.

2. Laser cauterization method: laser cauterization is used to carbonize the superficial cortex skin tissue, thereby removing the pigment.

3. Liquid nitrogen freezing method: liquid nitrogen freezing method is used to make superficial skin tissue necrotic and fall off, so as to remove tattoo tissue.

4. Skin grinding method: it is a mechanical method to remove superficial skin to remove pigment inside it. < P > If conditions permit, it is recommended to use laser. < P > It is more reliable to wash tattoos in a regular plastic surgery hospital. The interval between tattoo washing is about 3 months. Tattooing green and red are difficult to wash and can only be faded. It is best for experts to formulate the best treatment plan after reading it.

It is forbidden to eat spicy, pigmented and irritating food within one to two weeks after each tattoo wash, and it is forbidden to touch water for the first three days. Keep your skin dry after each tattoo wash, and don't apply any medicine.