Matrix Opti Smooth Permanent Smoothing System - Sensitized Kit

What it is: Smooth and de-frizz unruly, hard-to-manage hair. This system offers smoothing versatility with 3 great services: Heat Straightening (sleek, perfectly straight hair), Cold Smoothing (smooth natural looking hair with movement) or 3D Curl (enhanced, smooth curls full of shine). What it does: Hair is naturally moisturized and conditioned. Curl reduction, Frizz and volume control. Straighter, smoother hair that always looks natural. What else you need to know: Formulas allow for better overall conditioning and shine and also helps prevent breakage!