Transform flat, lifeless hair into voluminous, bouncy locks with L'Oréal Paris Boost It Volume Inject Mousse. This lightweight, aerated formula delivers 24-hour volume enhancement infused with thickening agents that coat each strand for lasting body and movement. The advanced holding matrix keeps your style locked in place without weighing hair down, while heat protection technology safeguards against styling damage. Whether you're amplifying natural texture or extending the life of your blow-out, this extra-strong hold mousse provides the soft touch and workable control you need for salon-quality results that last all day.