REVLONISSIMO COLORSMETIQUE PURE COLORS MIXING TECHNIQUES PERMANENT HAIR COLOR Express your creativity freely with the Revlonissimo Colorsmetique Pure Colors Mixing Techniques range of mixing shades and entice every client with a personalized hair color, no matter how natural or bold looking. Who is it for? For stylists looking to intensify their hair color services and achieve deeply vibrant, bold permanent hair color. Key benefit Low ammonia hair color that offers personalized hair colors to neutralize or intensify.