Use rogaine if your baldness is recent
If this does not work, there are prescription medications that can be used to deal with this.
Both of these solutions require constant and unending use. A Hair follicle transplant would permanently take care of the issue. Information can be found
This is expensive and can cost between $4000 to $13000 dollars. It also means you run the risk of infection, which with new antibiotic resistant strains out there, is no joke.
Do your research on the mundane solutions, and decide if it is worth the risks/cost. Magic might not be the solution for this one. I hope this post helps