Can a linea nigra be removed permanently with lasers or any other type of cosmetic treatment?

I've had a linea nigra for many years, since my teens. I was diagnosed with PCOS in my early 20s. I'm a 31 of hispanic descent with light caramel skin. The line is about half a centimeter wide and is pretty dark. I've tried creams and lotions but nothing has worked well. Will a laser (IPL or other) or acid peel work to remove it? Would this treatment be permanent?