Primary Compound: Vanillin provides the signature sweet, creamy, and cookie-baking aroma.Secondary Notes: Coumarin adds a warm, hay-like quality, while subtle balsamic or woody undertones add sophistication.Psychological Impact: Universally recognized to evoke feelings of nostalgia, comfort, and relaxation. Vanilla notes refer to the warm, sweet, and comforting scent profile derived from the vanilla orchid. Widely used as a foundational base note in perfumery, it brings depth, longevity, and a delicious gourmand quality to fragrances.