Hello, my friend, these two ways have their own advantages and disadvantages, mainly depending on your own acceptance range. The charge of ear cartilage is low, but the absorption rate is high in the later stage, and the charge of rib is high, but the absorption rate is very low. Costal cartilage is mainly used to raise the bridge of the nose and support the columella of the nose, and auricular cartilage is mainly used to shape the tip of the nose. You can choose suitable materials according to your nose.