Liv mentions that the clown has a rainbow wig while he is at that moment wearing a bright red wig. When Liv blasts him with her hair-dryer, he is still wearing the red wig which gets blown off. When he immediately puts the wig back on, it is a rainbow wig. Later in the episode, he again has a red wig.
Liv blasts a red wig off a clown. He immediately puts it back on, it is now multi-colored.