Prestige skin care sales in the U.S. fell for the 12th straigh month in dollars and units, according to The NPD Group, Port Washington, NY. Both dollars and units were down -1%, which represented the shallowest declines of the year. Still, prestige skin care had the best dollar and unit performance of the three prestige beauty categories (skin care, fragrance, and makeup). Skin care average price was flat at about $38.00. In terms of year-to-date sales (Jan-Oct ’09), skin care was also in th...