This great product from L' Oréal Professionnel's Tecni Art range will create volume & give your hair natural movement. Volume Architect disappears after brushing & leaves no visible residue, allowing styles to be worked & reworked.. Thicken & texturise the look of fine & delicate hair whilst protecting from the heat of blow-drying. Directions: Spray L' Oréal Professionnel Tecni Art Volume Architect into the roots of towel-dried hair, then mist globally over hair before blow-drying.