INCI name

TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES

Iso E Super

A synthetic woody, ambery fragrance ingredient.

What it is

Tetramethyl acetyloctahydronaphthalenes is a synthetic aroma chemical, widely known by the trade name Iso E Super. It gives a soft woody, ambery note and is common in modern perfumes.

Where it is used

Found in perfumes, deodorants, shower gels and other scented products.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Its use in fragrances is subject to industry and regulatory limits; see the EU regulation section for current labelling and restriction rules.

Functions

Fragrance
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
Perfuming
Used for perfume and aromatic raw materials.
Skin conditioning – miscellaneous
Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.

EU regulation

EU · Annex III, entry 3441-(1,2,3,4,5,6,7,8-octahydro-2,3,8,8-tetramethyl- 2-naphthyl)ethan- 1-one; 1-(1,2,3,4,5,6,7,8-octahydro-2,3,5,5-tetramethyl- 2-naphthyl)ethan- 1-one; 1-(1,2,3,5,6,7,8,8a- octahydro-2,3,8,8-tetramethyl- 2-naphthyl)ethan- 1-one; 1-(1,2,3,4,6,7,8,8a- octahydro-2,3,8,8-tetramethyl- 2-naphthyl)ethan- 1-one
As of
3 November 2026 · (EU) 2023/1545

Products with this ingredient (1818)

Check a full ingredient list