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1,2-Dihydrolinalool: An In-Depth Look at Its Role in Cosmetics

Article last updated: June 12, 2024

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Ever wondered what gives your favorite skincare products their soothing allure? Dive into the world of 1,2-Dihydrolinalool and discover its transformative role in cosmetics, from its creation to its myriad benefits and potential side effects.

What Is 1,2-Dihydrolinalool?

1,2-Dihydrolinalool, also known as 3,7-Dimethyloct-6-en-3-ol, is a chemical compound primarily used in the cosmetic industry for its perfuming properties. This ingredient is a type of alcohol that is derived from linalool, a naturally occurring terpene alcohol found in many flowers and spice plants. Linalool is commonly sourced from lavender, basil, and coriander, among other plants. When linalool undergoes hydrogenation, it transforms into 1,2-Dihydrolinalool, making it a more stable compound suitable for use in various cosmetic formulations.

The history of 1,2-Dihydrolinalool in cosmetics dates back to the early 20th century when the fragrance industry began to explore synthetic alternatives to natural essential oils. The goal was to create more stable and consistent scents that could be easily incorporated into a wide range of products. Over time, 1,2-Dihydrolinalool became a popular choice for its mild, pleasant aroma and its ability to blend well with other fragrance components.

The production of 1,2-Dihydrolinalool involves a chemical process known as hydrogenation, where linalool is exposed to hydrogen gas in the presence of a catalyst. This process adds hydrogen atoms to the linalool molecule, converting it into 1,2-Dihydrolinalool. The resulting compound retains the fragrant qualities of linalool but with enhanced stability, making it ideal for use in perfumes, lotions, and other scented cosmetic products.

The Benefits/Uses of 1,2-Dihydrolinalool

In this section, we will delve into the officially recognized cosmetic benefits and uses of 1,2-Dihydrolinalool:


1,2-Dihydrolinalool 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 body wash, the inclusion of 1,2-Dihydrolinalool helps to enhance the overall sensory experience by providing a fresh, floral, or citrusy scent. This can make the use of the product more enjoyable 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

1,2-Dihydrolinalool is generally considered safe for use in cosmetic products. However, as with many ingredients, 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 1,2-Dihydrolinalool during pregnancy are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.

Adverse reactions to 1,2-Dihydrolinalool are relatively uncommon, but they can occur. To minimize the risk of an adverse reaction, it is recommended to conduct a patch test before widespread usage.

On a comedogenicity scale of 0 to 5, 1,2-Dihydrolinalool is rated as 1, meaning it has a low likelihood of clogging pores. This makes it generally suitable for individuals prone to acne, blemishes, or breakouts.

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