Sales for prestige makeup in U.S. department stores continue on a positive trend. August 2010 was the fourth consecutive month of positive dollar and unit sales. Dollar sales increased 2% to $2 billion, year-to-date through August 2010, compared to the same time period in 2009, according to lThe NPD Group, Inc. “While two percent may not seem like a huge sales increase, it is noteworthy because this is the first time in two years that the prestige makeup industry is showing a positive trend....