L'Oréal Tecni Art Constructor - 150 mlL'Oral Tecni Art Constructor 150 ml L'Oral Professionnel Tecni. Art Constructor is a heat setting spray that protects hair from hot tools and assists in setting curls and waves. Formulated with high quality ingredients that help keep your style in place for days, this setting spray leaves hair soft, shiny and protected. For ultimate protection, spray this product on dry hair before applying heat and watch curls and waves last extra long. This heat