Is laser hair removal semi-permanent? Please share a realistic review.

I’ve been looking into laser hair removal because everyone around me raves about it, but I’m starting to have doubts about whether the results are truly semi-permanent. Clinics recommend a basic 5- or 10-session course, but after carefully reading reviews, I found quite a few people saying that their hair starts growing back thinly after a few years. I’m wondering if it’s really worth taking the time to go to the clinic regularly and spending money on laser hair removal in the long run. I’ve heard that the effectiveness varies greatly depending on hair thickness and density; typically, at what number of sessions does hair start to noticeably stop growing back? I’d love to hear realistic reviews from those who have finished laser hair removal and have maintained a smooth appearance for several years.