After a four year dry-spell - its longest in nearly two decades - Estee Lauder Cos. is back on the prowl. In the past month alone, the cosmetics giant has snapped up three small, growing beauty brands:cult-favorite fragrance company Le Labo, high-end skin-care label Rodin Olio Lusso and, less than two weeks ago, Editions de Parfums Frederic Malle.
