Style memory is the ability to retain the end result, limiting the need for restyling. Nitro Memory Crème 18 is the 1st Nitrogen propelled mousse*, creating a unique, ultra-smooth crème consistency and up to 3 days of style memory. The Nitrogen technology provides a workable, no stick application with evenly distributed hold and a touchable finish. Nitrogen propelled mousse creating a unique & ultra-smooth crème consistency that allows for 3 days of style memory. Great for up do's, molding and smoothing down flyaways.