Both Ryuko and Satsuki are decided more than enough to dress in 100% lifetime fiber kamui uniforms even even though it is really been shown that anything at all about 40% existence fiber will overwhelm the wearer.
In The Emperor's New School episode "Girls Behaving Oddly," Kuzco and Kronk use 1 of Yzma's potions to flip on their own into girls so that they can befriend Malina, whose "girlfriends" have deserted her.