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Methyl-Octahydro-Dimethylazulenylethyl Acetate: 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 silky texture? Dive into the fascinating world of Methyl-Octahydro-Dimethylazulenylethyl Acetate and discover its pivotal role in the beauty industry, from its creation to its myriad benefits and potential side effects.

What is Methyl-Octahydro-Dimethylazulenylethyl Acetate?

Methyl-Octahydro-Dimethylazulenylethyl Acetate, also known by its more technical name 1-Methyl-1-((3S,8S)-1,2,3,4,5,6,7,8-octahydro-3,8-dimethylazulen-5-yl)ethyl acetate, is a synthetic compound primarily used in the cosmetic industry for its perfuming properties. This ingredient is often found in a variety of personal care products, including perfumes, lotions, and creams, where it contributes to the overall fragrance profile.

The compound is derived from a complex chemical synthesis process that involves the manipulation of azulenic structures. Azulenes are a class of organic compounds known for their deep blue color and aromatic properties. Methyl-Octahydro-Dimethylazulenylethyl Acetate is created through a series of chemical reactions that introduce methyl and acetate groups to the azulenic core, resulting in a stable and fragrant molecule.

Historically, the use of azulenes in cosmetics dates back to ancient times when natural sources like chamomile and yarrow were used for their soothing and aromatic properties. However, the synthetic version, Methyl-Octahydro-Dimethylazulenylethyl Acetate, was developed more recently as advancements in organic chemistry allowed for more precise and consistent production methods. This synthetic approach ensures a high level of purity and consistency, making it a reliable ingredient for modern cosmetic formulations.

The manufacturing process of Methyl-Octahydro-Dimethylazulenylethyl Acetate involves several steps of organic synthesis. Initially, the azulenic core is hydrogenated to form an octahydro structure. Subsequent steps introduce methyl groups at specific positions on the molecule, followed by the addition of an ethyl acetate group. This multi-step synthesis is carefully controlled to produce a high-quality ingredient that meets the stringent standards of the cosmetic industry.

The Benefits/Uses of Methyl-Octahydro-Dimethylazulenylethyl Acetate

In this section, we will delve into the officially recognized cosmetic benefits and uses of Methyl-Octahydro-Dimethylazulenylethyl Acetate:


Methyl-Octahydro-Dimethylazulenylethyl Acetate is primarily used in cosmetics for its perfuming properties. This means that it is added to products to impart a pleasant fragrance. Whether it’s a lotion, shampoo, or any other personal care item, this ingredient helps to enhance the overall sensory experience by providing a delightful scent. This can make the product more enjoyable to use and can also help mask any undesirable odors from other ingredients in the formulation.

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

Methyl-Octahydro-Dimethylazulenylethyl Acetate is generally considered safe for use in cosmetic products. 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 Methyl-Octahydro-Dimethylazulenylethyl Acetate during pregnancy and breastfeeding are lacking. Therefore, it is recommended to consult a healthcare professional for further advice.

Adverse reactions to this ingredient are relatively uncommon, but they can occur. To minimize the risk of an adverse reaction, it is advisable to conduct a patch test before widespread usage.

Methyl-Octahydro-Dimethylazulenylethyl Acetate has a comedogenic rating of 1, meaning it is unlikely to clog pores. This makes it a suitable option for individuals who are prone to acne, blemishes, or breakouts.

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