Buy 3D Clinic vouchers for deals on One Diamond Microdermabrasion. What is microdermabrasion? It’s an advanced exfoliating technique in which the surface layer of dead skin cells is gently removed. The treatment aims to reduce the appearance of fine lines, and generally encourage brighter complexions. How can people prepare? Clients are advised to avoid the use of chemical creams, electrolysis, peeling cosmetics and waxing five days before the treatment. What does aftercare involve? People should wash their face using only cold or tepid water for the first day, and avoid lotions and products with harsh ingredients. Their skin may look slightly red but this will fade over the following couple of days.