The main cause of human aging is the loss of collagen, which leads to sagging cheeks, downward movement of the apple muscles, and the appearance of nasolabial folds. The principle of action of Tongyan Acupuncture is to achieve anti-aging and anti-aging effects by stimulating the proliferation of your own collagen. Therefore, it is suitable for people aged 25-60 who want to seek gradual improvement in aging. It can be used to plump the forehead, fill the temples, plump the cheeks, improve the nasolabial folds, skin wrinkles at the corners of the mouth, plump the jaw, tighten the jawline and other areas that need fullness.