O Oui! by Lancôme is a Floral Aquatic fragrance for women. O Oui! was launched in 1999. The nose behind this fragrance is Harry Fremont. Top notes are Water Hyacinth, Vodka, Bergamot, Clementine, Nectarine, Mandarin Orange and Petitgrain; middle notes are White Flowers, Green Apple, Lily-of-the-Valley, Freesia, Pear, Honeysuckle, Pineapple and Rose; base notes are Water Lily, Musk, Cedar, Woody Notes and Amber.