The Most PRESTIGIOUS Name In MICRO-DERMABRASION CRYSTALS Our crystals are of the Highest Quality at over 99.8% Pure Aluminum Oxide Crystals & they come with MSDS and safety data sheet, ISO and FEDA. We then process these crystals to Cosmetic Quality for micro-dermabrasion by a 5x dusting process, which is then dusted by a dual stage air-wash system & bottled with a gel-pillow moister pack & sealed cap.