"Dune" by Christian Dior is a fragrance launched in 1991. It's known for its airy and aquatic composition, evoking the feeling of a seaside breeze and sandy dunes. Here are the keynotes typically associated with Dune:

Top Notes: Bergamot, Mandarin, Aldehydes
Middle Notes: Peony, Lily, Jasmine, Rose
Base Notes: Vanilla, Benzoin, Sandalwood, Amber, Patchouli

Dune is a fresh and floral fragrance with a touch of warmth and sweetness from its base notes. It's designed to evoke the serenity of a sandy beach with its blend of floral and woody accords, making it a popular choice for those who appreciate fresh and clean scents reminiscent of the seaside.