Generally, compressed teas require it, such as Pu-erh, Tuocha, and citrus-infused oolong (Suan Gan Cha), because they are packed tightly during production, and a rinsing infusion helps them expand. Taiwan’s commonly enjoyed Baozhong tea, Oriental Beauty, High Mountain tea, and Dongding tea are relatively loose, and their flavors release very quickly, making a rinsing infusion unnecessary.