A cure for baldness is one of those holy grail drugs like a drug to treat obesity, or a drug to de-age your skin. The profit on this is potentially vast and Im assuming the 10 year patent limit wont apply to it.
- Semaglutide - Tirzepatide - Liraglutide - Exenatide - Danuglipron
Those are just some.
And like others noted, it's not an absolute miracle (there are side effects, it's hard to get right now, somewhat contentious) but it's definitely miraculous in effects so far.
If a multi-centi-billionaire is bald, then there's no viable baldness cure at any price.
Look up Elons photos during balding phase and now.
What would the cure be really? Some daily pill that would regrow the hair or just some one time therapy? I don't think it is coming any time soon.