I'm worried about my receding hairline. How long does the hair loss treatment take?

Lately, I've been losing so much hair around my bangs every time I wash it that my forehead seems to be getting wider and more M-shaped ㅠㅠ I'm so stressed out trying to cover it up with my bangs because I'm afraid the wind will reveal my thinning forehead lol. It doesn't seem like applying scalp serums is helping, so I went to a dermatologist to get a treatment that delivers nutrients directly to the scalp. hair loss treatment I'm thinking of getting a really intense session! Since I'm an office worker, I want to squeeze in a quick break during my weekday lunch hour or after work, but from the waiting time to the end... hair loss treatment gun Procedure time I'm wondering roughly how long it takes. I'm scared that getting the injection in my scalp might hurt enough to make me cry, but my baby hairs are just starting to sprout. hair loss treatment Seniors who have been getting this consistently, please leave some tips on whether it really gets denser lol