My skin has become more horrible post PRP. Is there any solution that I can apply to make my dark spots disappear faster?

Hello dr, i decide to try PRP tx after not happy with the result of laser tx to reduce my acne scars. During the first week, skin become reddish, 2nd week it turn into pink colour. And now after 3rd week, my face become darker, itchy & present with multiple large dark spots all over my face. My doctor told me to scrub .but it making my skin more itchy. Dear dr, is there any solution and topical cream that i can apply to make my dark spots disappear faster ? :(