The materials of rhinoplasty by injection are collagen and hyaluronic acid to change and shape. Generally, the bridge of the nose and the root of the nose are filled with fillers to achieve the effect of rhinoplasty and shaping. Hyaluronic acid is mostly used for injection, and the cost of different brands is different, ranging from one to two thousand to more than ten thousand. It is suggested that it is safer to go to a regular specialized hospital.