Kevin Mancuso shows three simple hair spray techniques using the nexus finishing mist. When straightening hair with a flat iron1) Lightly spray the finishing mist on every section of the hair. 2) Use a flat iron to straighten your hair. When curling hair with curl rollers1) Set up the rollers and spray the finishing mist on the base of the curl roller. 2) Lightly spray the entire curling set with the finishing mist. 3) Remove the rollers from your hair. Retaining volume underneath the hair1) Flip head upside down. 2) Brim the sections of the roots of your hair using your fingers. 3) Spray the underside of your hair.