Idylle Duet launched Guerlain on 4th April 2011. The nose behind the fragrance is Thierry Wasser. The perfume has been made available in a flacon shaped just like its antecendent. The Top notes contains Idylle Duet, Bulgarian roses and Indonesian patchouli play their romantic roles. The Heart of the perfume contains floral and very feminine choir of singing petals of lily of the valley, freesia, jasmine and peony. The base of the perfume consists of white musk and patchouli for the special pleasure of sensuality and elegance..