Driven by an aging population that’s bent on maintaining its youth, US demand for cosmeceutical products is expected to increase 5.8% a year to reach $8.5 billion in 2015, according to a new study by The Freedonia Group, Cleveland, OH. The target market for cosmeceuticals continues to expand beyond the traditional 45-years-and-older demographic to include much younger individuals, as the national obsession with youth continues and focus shifts to products intended to stave off the fir...