My crown is thinning; how much would a hair loss treatment cost? ㅠㅠ

Lately, I've been working overtime constantly, so maybe due to stress, a handful of hair falls into the drain every time I wash it ㅠㅠ The part at the crown of my head looks so sparse that I'm seriously considering spraying on hair fibers lol. Applying scalp ampoules and spraying hair tonic alone isn't enough protection, so I'm going to a dermatologist to get the nutrients injected directly. hair loss treatment I'm thinking of getting an intense treatment! Since it involves injecting into the scalp, I think it will be incredibly painful enough to bring me to tears, but I'm wondering if I can just bear it. Also, to see definite results, should I do this? hair loss treatment People usually sign up for the 10-session package, so roughly price I really want to know how much the estimate is lol. The one that makes fluffy down grow back. hair loss treatment To those of you who have received this, please, I would be really grateful if you could share some of your tips.