My hair is getting thinner; what is the treatment cycle for hair loss?

Lately, I've been working late at the office and doing overtime constantly, so maybe it's due to stress, but every time I wash my hair, I feel like I'm sinking into a swamp ㅠㅠ Seeing handfuls of hair fall into the drain makes me so depressed that I almost tear up lol. I noticed thinning spots along my part, so I was seriously considering spraying on hair fibers, but then I went to a dermatologist. hair loss treatment I'm looking into it. I heard that injecting nutrients directly into the scalp is so painful it makes you cry, so I'm wondering if it's bearable enough to endure even with numbing cream applied. Also, to see a definite effect of fine hairs growing in... hair loss treatment I also want to know how often I usually need to visit the clinic regularly lol. Something that makes baby hairs grow in. hair loss treatment If any of you have tried this, please share your vivid experiences and tips on whether it really makes your hair thicker!