Rhubarb, derived from the tart, crisp stalks of the Rheum rhabarbarum plant, is a bright and slightly sour note in perfumery. Known for its sharp, tangy, and refreshing character, rhubarb adds a green, fruity, and slightly woody depth to fragrances. It is often used in fruity, green, and floral compositions, providing a fresh, zesty burst of energy.

Rhubarb has a crisp, tart aroma with green, slightly earthy undertones. Its scent is fresh, tangy, and slightly sour, with subtle hints of citrus and a faint sweetness. The overall profile is bright, invigorating, and slightly vegetal, adding a unique, sharp freshness to fragrances. Rhubarb enhances perfumes by offering a refreshing, lively quality that brings a natural, zesty burst to the composition.