No7 Total Renewal Micro-dermabrasion Face Exfoliator. TheNo7 Total Renewal Micro-dermabrasion Face Exfoliator is designed to give you instantly fresher, clearer, and younger-looking skin. Featuring aluminium-oxide micro-crystals, this exfoliator smooths, refines, and renews the skin by removing dull cells, revealing incredible radiance from the first use.