Oud Immortel by Byredo, launched in 2010, is a Woody Chypre fragrance for both men and women. It features top notes of Limoncello, Incense, and Cardamom, with a heart of Agarwood (Oud), Patchouli, Papyrus, and Brazilian Rosewood. The base notes include oak moss and Tobacco, creating a rich, earthy, and smoky scent.