Smelling vanilla has been scientifically proven to naturally reduce and deplete these stress hormones, as well as sooth your nervous system and promote the release of serotonin. ... The gentle burning of vanilla incense and candles has been found to greatly increase your natural creativity and focus. Vanilla incense are grounding and great for enhancing your memory. Creating a calming and warm environment with healing properties. Vanilla is great for burning when you have company as it promotes a feeling of love and friendship.