Get your hairstyle to the next level with WELLA shockwaves volume mousse 200 ml. This mousse contains lightweight formula that gives your hair volume without worrying about humidity. Long-lasting hold guaranteed. Step 1. Shake well, hold the mousse upside down. Distribute evenly in damp hair by applying the mousse on a comb. Step 2. Blow-dry with thick-round brush or with head upside down.