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 Bergamot, Lemon and Mandarin Orange; middle notes are Egyptian Jasmine, Tuberose and Rose; base notes are Akigalawood, Musk and Sandalwood.