It is mainly due to the fact that two different directions of force form a “meeting groove” at the wrinkles. 1. The muscles around the mouth and lips are wheel-like structures that contract in the direction of the mouth and lips; 2. The muscles in the midface lift toward the outside of the cheeks when they contract. There are three common types of wrinkles: 1. Muscle type wrinkles are especially obvious when you smile or when your mouth is in motion. You can change your expression habits or relax your muscles with Botox to improve the muscle type lines. However, fillers should not be used, as they may be pushed upward by muscle tension, causing the lines to become more severe. Generally, it is not recommended to deal with muscle type wrinkles. 2, sunken type of wrinkles Natural upper jaw bone is more prominent or cheekbone is more prominent, making the nasolabial folds obviously more sunken, but the skin elasticity of the face is not bad. Fillers can be used to improve, such as: autologous fat, hyaluronic acid, etc. In comparison, the recovery of hyaluronic acid filling is relatively fast, while injecting and massaging, the redness will fade after 2~3H of the treatment, which is not visible to others, and the effect can be maintained for about 6 months, without excluding the differences between individuals and hyaluronic acid brands. 3, sagging type of decree lines With the growth of age, the deep cheek fat pad slips, resulting in the sagging of the apple muscle caused by. If this type of lines is treated with injectable fillers, although the lines will be improved, your face may become bigger and bigger, turning into a big pancake face and unrefined. Therefore, this type of wrinkles is suitable for face tightening and lifting treatment to fix the sagging tissues upward and restore the contour of youthful appearance. Depending on the age of the candidate, the technique suitable for face lift may vary: for example, if you are around 30 years old, the effect of thread sculpture is good. For those in their 30s~60s, a minimally invasive type of face lift surgery has exact results. For those over 60 years old with severe sagging facial skin, consider a major facelift.