Where is the place where scalp stem cell injections are really effective?

I'm really stressed because the top of my head feels thinning haha.

A hair transplant is too much of a burden, so I'm wondering if getting scalp stem cell injections might help.

The price varies significantly depending on the number of sessions, and the methods differ from hospital to hospital haha.

I'm curious to know how satisfied people are with scalp stem cell injections if you've tried them.

Is there a hospital where you can definitely see results and stick with it?

I'm really desperate, so does anyone have any information? haha