TECNI.ART Full Volume Extra Mousse by L’Oréal Professionnel helps you create big hair with extra volume and a strong hold without weighing hair down. HOW TO USE: Shake and hold upside down. Before blowdry, spread a mandarin-size amount onto damp hair with fingers. Apply to hair using a comb. Comb through lengths and ends and follow with heated style. HAIRSTYLE: XL blowdries, volumised hair.