I'm curious about the effectiveness of hair loss treatments. Please give me a recommendation.

Hello. Lately, it seems like I am losing more hair every time I wash it, and I am extremely worried because the hair on the crown of my head has become noticeably thinner. I am looking for information because I think it would be best to receive professional hair loss treatment before it is too late.

When I looked into hospitals, I found that there is a really wide variety of treatments, ranging from injections to lasers. By any chance, what is the most effective hair loss treatment for early-stage symptoms like mine? I know it varies from person to person, but I am curious how many treatment sessions are typically required to feel the hair regaining strength and new growth.

I would also like to know how painful the hair loss treatment is and whether it is okay to wear a hat immediately afterward. Since I work, I am worried about whether it will interfere with my daily life, so if there are any people who are actually receiving consistent treatment, I would appreciate some advice. I want to take this opportunity to properly manage my condition and get rid of this stress!