The house of Maurer & Wirtz was founded in 1854 by Michael Mäurer and his stepson, Andreas Wirtz, when they decided to start soap production in the small town of Stolberg near Aachen, Germany.

The most iconic product from this house is the Muelhans 4711 series of unisex cologne. 4711 Original Eau de Cologne by Maurer & Wirtz is a classic unixes fragrance with Citrus Aromatic notes. 4711 Original Eau de Cologne was launched in 1792. The top notes are orange oil, peach, basil, bergamot, and lemon; the middle notes are cyclamen, lily, melon, and jasmine.