La Clandestine Absinthe is a SwissLa Bleue, or clear, absinthe brand produced by Artemisia-Bugnon distilleries. It is an anise-flavored, distilledliquor containing the herb wormwood (Artemisia absinthium), and when prepared with cold water will louche. La Clandestine Absinthe comes in four main styles, as detailed below.