Help for grid marks and hypopigmentation 3 years after Pixel CO2 fractionated laser? (Photos)

48 yo: 3 yrs ago I had 1 Pixel laser trtmt at the lowest setting.i had several IPL yellow/green and a Clearlift prvsly with very good results and no issues.Pixel was done by therapist in a clinic run by a Pl surg.After Pixel I had a lot of hyper and hypo pigmt. several follow up appts later she agreed my results were not typical.Had a series of chem peels.But I still have tiny grid holes and hyper/hypo pigt .i would like to know what your thoughts are on how to repair the damage w/out making worse. Thx.