Please tell me the benefits of laser hair removal!

I have been managing my hair at home using a razor or DIY hair washing, but my skin gets irritated, turns red, and keeps developing discoloration. It is a hassle to take care of it every morning, and I also get skin problems frequently, so I am thinking of taking this opportunity to get laser hair removal at a dermatology clinic.

I'm curious about the definite advantages of choosing laser hair removal at a dermatology clinic over self-care. Is it really that effective for reducing hair growth or alleviating skin irritation if I receive it consistently for at least 5 sessions? Also, regarding the level of pain during the procedure and whether it helps prevent discoloration, I would appreciate it if those who have actually experienced it could share the benefits and tips! I'm thinking of giving it a try before next summer.