Dear dr,I have sm history of allergic reactions on my face.it started 2 yrs back.after geetting itching and irritation,i develop eczema on my face and it lasts for 2 or 3 days.i got it for 4 or 5 times till now.after that i got severe tan on my face.I heard that glycolic peel s effective in this..Another problem I have like small pores on my face which occured after comedone extraction.will microdermabrasion help this?