D.S. & Durga's I Don't Know What has polarized the fragrance community with its innovative approach to scent enhancement. This molecular masterpiece opens with bright bergamot before revealing its true character: a sophisticated blend of ISO E Super and synthetic woods that creates an ethereal veil of fragrance. While some praise its ability to enhance natural skin scent and its exceptional layering capabilities, others find the synthetic dry down challenging. The addition of civettone provides a subtle animalic warmth that sets it apart from similar molecular fragrances. Despite its high price point, enthusiasts appreciate its versatility and business-appropriate nature, making it a unique addition to any fragrance wardrobe.