IPL + Poikiloderma Of Civatte Q&A

I read online that IPL is effective treatment, I have received 4 cutera laser treatments with some improvement but I was expecting more

I am a male aged 37 with skin type 1. I have had progressive poikilodermia of Civatte for the last two and a half years on sides of my neck. It got worsed over night during a summer holiday. I did use sun protection. I have both redness and brown patches. I have started with IPL treatment and I am currently on my 4 th session. Machine used is the Ellipse Nordlyse. Can not see much emprovement, but am told by my doctor to be patient. How many treatments is required for the pigmentation to fade?

I like the idea of getting things done in one shot as opposed to waiting months to see results. However, I'm reading more positive things about IPL & not great things about lasers.