All the contents of Meitu Xiu Xiu's portrait beauty are in the bottom column of portrait beauty. Although the options inside are not for lips, they can also be used to modify the position and color depth of lips. For example, the face-lifting option inside can be used to modify the position, size and shape of lips after clicking.
The self-timer function in Meitu Xiu Xiu can change the lip color by using masks and filters. You can also try.