Adventurers plops, ripe for the grabbing

In the time that you were gone and floating in space. Apes have conquered planet Earth. However evolution has been unkind to the poor simian conquerors and as a consequence their faces have become so wrinkly and gross that they resemble cheap, goofy rubber masks worn by human actors pretending to be apes. Your spaceship doctor is the only hope of the entire race to cure this condition. How will this kerfuffle be resolved with the increasing racial tension and hostilities exhibited by the apes and your crew towards each other?