Construction Clay-Wax. Bring out your dark side with this trusty sidekick, L' Oréal Professionnel Tecni. Art Super Style Heroes Bad Mud, to construct a textured look with a matt finish. Hold: 3/6. Directions for use: Apply L' Oréal Professionnel Tecni. Art Super Style Heroes Bad Mud to dry hair & work it through with your hands before finishing. Alternatively, apply to damp hair & allow the hair to dry naturally for a structured look.