The goal of nasolabial folds is to restore the smooth contour of the transition between the cheeks and the upper lip, not to completely eliminate the nasolabial folds, which will look unnatural if they are completely filled. Reasons for nasolabial folds Hyaluronic acid injection to improve nasolabial folds Improve nasolabial folds, and the youthfulness is visible Case of hyaluronic acid injection to fill in the lines