Product Overview L’ Oréal Professionnel Tecni Art Volume Constructor 150ml is a heat-activated spray that sits lightly in your hair, offering medium texture & hold. Benefits By simply applying this spray to your hair before blow drying, curling, or straightening, you can add shape to your hair that feels 100% natural. It boasts a “no residue” formula that makes your style look extremely radiant, to the envy of everybody.