Please share your tips for getting rid of acne pore scars~

Teenagers won't leave their acne alone, so I've noticed that after squeezing it, the small scars heal quickly even if you just leave them alone.

After squeezing a big pimple, a scar formed like a hole, and even after time passed, the scar didn't fill in cleanly and left a pitted mark.

Please share some ways to get rid of pitted scars~~^^