Knowing by Estee Lauder is a floral fragrance for women. Knowing launched in 1988. Top notes are aldehydes, mimosa, tuberose, coriander, melon, green notes and plum . Heart notes are orange blossom of the orange, bay leaf, patchouli, orris root, lily of the valley, jasmine, cedar and cardamom. The base notes are spices, patchouli, amber, musk, civet, sandalwood, orris root, oak moss and vetiver.