I'm curious about laser treatment to remove freckles!

Hello. I've been very concerned about the darkening freckles on my face lately. I've tried several products, but they haven't had much effect. Freckle removal laser I'm looking into the procedure on the internet. Freckle removal laser There are various types, and I'm curious which treatment is more effective depending on skin type and degree of freckles. Freckle removal laser I'd also like to know how long side effects like swelling and redness will last after the procedure. Also, would you advise whether a single treatment is sufficient or if multiple sessions are required?