It seems to me that you might want to see an independent dermatologist first, and get her opinion of which treatment, if any, would be best for you. Also, you don't mention whether you've tried other things, but a dermatologist can prescribe skin care meds that might solve or lessen your skin issues--and be gentler to your skin than either of the spa treatments.

My dermatologist advised me that my skin might react badly to either dermabrasion or a chemical peel, but the cream he prescribed, Tazorac, is a little miracle-worker at evening out skin tone and color and smoothing out other imperfections.

BTW, I like Neutrogena daily moisturizer for sun protection on my face--it comes in both SPF 30 and 45.