Too bad. Even if the last remaining strand of it was still potent, it wouldn't work on you.

[Story time. Ranma's gonna stretch a leg while her sister dolls up her locks.]

There was this freaky dragon whisker this guy used for stock in this porridge meant for curing male-pattern baldness. When a bald guy eats it, it gives them a full head of hair. [Resting her cheek on her palm, mouth pressed thin into a straight line.]

If a guy with hair eats it [like he foolishly did], it causes his hair to go crazy and grow out massive all over the place. 'Till they either run out a lifetime of hair, or in my case, change to a girl. One of the few times having a curse actually saved my butt.

[And scalp.]