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Iso E Super

Iso E Super is a modern synthetic molecule, prized for its subtle yet powerful, dry woody-amber scent. It features cedar-like nuances, a velvety feel, and a unique diffusive quality. Often used to enhance longevity and radiance, it provides a sophisticated, abstract, and slightly sweet musk undertone to compositions.

History

Brief History of Iso E Super

Iso E Super is a famous synthetic woody-amber aroma chemical, first discovered and patented as “Isocyclemone E” in 1973 by John B. Hall and James M. Sanders of International Flavors & Fragrances (IFF) during research into molecules similar to Ionones. Initially, it was employed in small amounts, often in functional fragrances for household products and subtly in fine woody compositions. The first fine fragrance to notably contain the molecule was Halston Woman in 1975, where it served as a fixative to add a velvet-like texture, intensification, and fullness to the scent, though its concentration was minimal compared to subsequent uses.

The molecule’s breakthrough came in 1988 with the launch of Christian Dior Fahrenheit, which featured an unprecedented “overdose” of Iso E Super, making up about 25% of the formula and setting a new trend for high-performance woody compositions. It was later used at 18% in Lancôme Trésor (1990) as a key part of the influential Grojsman accord, proving its versatility across fragrance types. Its popularity culminated in the 2006 cult classic Molecule 01 by Escentric Molecules, which famously featured Iso E Super as the sole active ingredient, capitalizing on its unique, elusive, and seductive woody-amber profile.

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Famous Perfumes with Iso E Super Note

Iso E Super gained iconic status through Escentric Molecules Molecule 01, a cult classic launched in 2006 which is famously composed solely of this single molecule (or its isomer). This ‘anti-perfume’ enhances the wearer’s natural scent, creating a soft, cedar-like, and velvety aura that is often more detectable by others than the wearer. The technique of ‘overdosing’ the molecule was pioneered much earlier, notably in the 1988 classic Dior Fahrenheit where it made up 25% of the formula, and in the 1990 floral Lancôme Trésor, which used 18% to add fullness.

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Master perfumer Jean-Claude Ellena is one of the most prominent fans of Iso E Super, using it extensively to create his signature transparent and minimalist style. The note is a crucial component in his widely celebrated compositions like Hermès Terre d’Hermès, where it constitutes 55% of the formula, providing its distinctive woody-mineral structure, and in his private blend Poivre Samarcande (71% concentration). Other designer fragrances known for their heavy use include Lalique Encre Noire (45%) and Abercrombie & Fitch Fierce (48%).

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In contemporary niche perfumery, Iso E Super continues its role as a versatile fixative and radiant enhancer. It is used in fragrances designed to be worn alone or layered, such as Le Labo Another 13 and D.S. & Durga I Don’t Know What, where it provides a clean, woody base and “transparent radiance.” The Escentric Molecules brand has capitalized on its versatility by launching popular line extensions that pair the molecule with other notes, including Molecule 01 Iris, Molecule 01 Guaiac Wood, and Molecule 01 Mandarin.

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