Hyaluronic acid has become more and more in demand in modern times, and it has been very commonly incorporated into people’s lives, even becoming an important way for many women to pursue a better life. If you want to become a childlike beauty, nasolabial folds augmentation is also an integral part of it. Nasolabial folds, as the name implies, is a problem in the area between the nose and lips, but do you know how they are caused? First of all, let’s take a test to see what type of nasolabial folds you have. Remember to smile a little, the dynamic nasolabial folds are easier to judge. Types of nasolabial folds 1.Straight nasolabial folds 2.Concave nasolabial folds 3.Convex nasolabial folds Causes of nasolabial folds 1.Sagging skin on the face hangs downward under the effect of gravity; 2.Expression muscles and ligaments hang from the deep part of the nose and upper lip, which are relatively fixed when they are quiet and will move upward when making expressions. The advantages of hyaluronic acid filling nasolabial folds 1. Hyaluronic acid filling nasolabial folds will not produce rejection, no foreign body feeling, very high safety; 2. traces. Hyaluronic acid filler nasolabial folds precautions 1, hyaluronic acid filler nasolabial folds within a day after the shape fixed, during the period should avoid contact with the injection domain. 2.After filling the nasolabial folds, all basic maintenance is normal, but try not to pinch and massage within three days to avoid the displacement of hyaluronic acid. 3, after filling the nasolabial folds within a short period of time, do not go to do strenuous sports, temporarily prohibit drinking alcohol, and avoid extremely hot (sunbathing) or extremely cold places (such as swimming). 4.Remember to test the nasolabial folds within 1 week after filling, so that the physician can visualize the additional injection. If you have taken aspirin, ginkgo, natto, high unit of vitamin E or similar drugs, it may increase the chance of bruising or bleeding, and you must tell the physician first.