A hair styling device for smoothing and straightening hair strands on a scalp region, comprising, in combination: two hingedly attached, movably opposed arms each of said arms comprising a hair strand gripping means; heating means incorporated into the gripping means for providing heat to the hair strands; a reservoir in fluid communication with a means of delivery of the gripping means which delivers a nonvolatile styling active delivered as droplets having a Dv(90) of less than about 30 microns. A method for straightening hair strands on a scalp region wherein hair to be straightened is passed under tension between a gripping means, wherein the gripping means provides a heating means, and a styling active comprising nonvolatile compounds, wherein the styling active is delivered as droplets having a Dv(90) of less than about 30 microns.