AHAS is a common fruit acid, which was invented by American doctors more than ten years ago. Its principle is to peel off epidermis, stimulate dermal metabolism and grow tender skin. Doctors often use AHAS on acne, aging and sun damage skin to restore skin health. However, it is reported that the use of AHAS will increase the number of damaged cells, leading to skin redness, blistering and burns. Moreover, the FDA of the United States pointed out that people who use AHAS products are more likely to cause skin redness due to exposure to ultraviolet rays of the sun, and the number of cells burned by the sun will be more than that of ordinary people. Therefore, fruit acid should be used with caution when changing skin.

When a face is damaged by years, fine lines, acne, dark spots and coarse pores begin to appear, many people will start to change Qvanxian Zhang's face, restore the tenderness of infancy, and let youth stay forever. The impossible task of changing skin was born.

Changing skin seems simple, but there is a lot to say. Qualified cosmetic surgeons can use the concentration of fruit acid or the depth of laser appropriately, but those plastic surgeons with low medical skills or even without certificates do not have this guarantee. In addition, it is very dangerous to apply fruit acid skin-changing products on the market without the guidance of a doctor. Some people had their skins changed and scalded, so they had to ask a doctor for help. Finally, they spent more money and plastic surgery to restore their original appearance.