In The Sims 4, what to do if the Sims 4 villain is tanned, you can refer to the following:
Players don’t have to worry about the villain in The Sims 4 after he gets tanned. The villain will naturally turn white after a while, because this is a natural setting in the game. Players only need to be careful not to let the villain in the game get tanned. The villain can just go and bask in the sun again.