While fragrance gift sets have been popular for years, these pre-packed collections are gaining popularity in other sectors, according to The NPD Group. In the US, overall gift set sales within prestige department from January to October 2012, posted a 16% percent increase in dollar sales, versus the same time last year. In fact, skin care and cosmetic gift sets posted large gains, up 23% and 26% respectively, during that time. “Gift sets have often provided a somewhat stress-free purchase for ...