Among women who subscribe to makeup sample subscription programs, 83% were influenced to buy the full-sized product, according to the 2014 Makeup In-Depth Consumer Report from The NPD Group, Inc., a global information company.   “The idea of offering samples has been around for some time, but sample subscription programs are a fresh way for manufacturers and retailers to engage with interested consumers and monetize their sample programs, while consumers discover brands or products they may not ...