Sales of prestige eye makeup products in the US grew 9% to $1.1 billion in the 12 months ending December 2013, compared to the same time period last year, according to recent data from The NPD Group, Inc. Multi-benefit (+9%), volumizing (+11%), and long wear (+18%) products helped to drive the 2013 dollar sales growth in prestige mascara. Primarily, eye liner growth came from pencils (+7%), long wear (+11%), and waterproof options (+10%). Long wear is a theme that carried throughout eye makeup, ...