Quatre en Bleu by Boucheron is a Floral Woody Musk fragrance for women. This is a new fragrance. Quatre en Bleu was launched in 2021. The nose behind this fragrance is Sonia Constant. Top notes are Lemon, Bergamot and Mandarin Orange; middle notes are Tuberose, Egyptian Jasmine and Rose; base notes are Sandalwood, Akigalawood and Musk.