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2-Trans, 6-Cis-Nonadienol: An In-Depth Look at Its Role in Cosmetics

Article last updated: June 13, 2024

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Ever wondered what gives your favorite cosmetics their alluring scent and skin benefits? Dive into the world of 2-Trans, 6-Cis-Nonadienol and discover its fascinating journey from production to its transformative role in beauty products, along with essential insights on its potential side effects.

What is 2-Trans, 6-Cis-Nonadienol?

2-Trans, 6-Cis-Nonadienol, also known by its chemical name (2E,6Z)-Nona-2,6-dien-1-ol, is a fragrance ingredient commonly used in the cosmetic industry. This compound is part of the broader family of alcohols and is characterized by its unique molecular structure, which includes two double bonds in a specific configuration. The “2-Trans” and “6-Cis” parts of its name refer to the positions and orientations of these double bonds within the molecule.

Historically, 2-Trans, 6-Cis-Nonadienol has been valued for its fresh, green, and cucumber-like scent, making it a popular choice for perfuming applications in various cosmetic products. Its pleasant aroma has led to its inclusion in a wide range of items, from lotions and creams to shampoos and body washes. The journey of this ingredient into the cosmetic world began with the discovery of its appealing scent profile, which was initially identified in certain plants and fruits.

The production of 2-Trans, 6-Cis-Nonadienol typically involves synthetic processes in a laboratory setting. Chemists use a series of reactions to create the compound, ensuring the correct configuration of the double bonds to achieve the desired fragrance properties. This synthetic approach allows for consistent quality and availability, making it a reliable ingredient for manufacturers aiming to add a fresh and inviting scent to their products.

The Benefits/Uses of 2-Trans, 6-Cis-Nonadienol

In this section, we will delve into the officially recognized cosmetic benefits and uses of 2-Trans, 6-Cis-Nonadienol:


One of the primary benefits of 2-Trans, 6-Cis-Nonadienol in cosmetics is its perfuming capability. This ingredient is known for its ability to impart a pleasant fragrance to cosmetic products. When you apply a lotion, cream, or any other beauty product containing this ingredient, you might notice a fresh, green, and slightly floral scent. This aromatic quality can enhance your overall sensory experience, making your skincare or beauty routine more enjoyable.

Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).

Potential Side Effects & Other Considerations

2-Trans, 6-Cis-Nonadienol is generally considered safe for use in cosmetic products, primarily serving as a perfuming agent. However, as with any ingredient, there are potential side effects and considerations to keep in mind.

  • Skin irritation
  • Allergic reactions
  • Contact dermatitis

Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of 2-Trans, 6-Cis-Nonadienol during pregnancy and breastfeeding are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.

Side effects and adverse reactions from 2-Trans, 6-Cis-Nonadienol are generally uncommon. However, to minimize the risk of an adverse reaction, it is recommended to perform a patch test before widespread usage.

In terms of comedogenicity, 2-Trans, 6-Cis-Nonadienol has a rating of 1 on a scale of 0 to 5, where 0 is totally non-comedogenic and 5 is highly comedogenic. This low rating indicates that it is unlikely to clog pores and cause acne, making it suitable for individuals prone to blemishes and breakouts.

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