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L-Dihydrogeraniol: 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 cosmetics their unique properties? Dive into this article to discover the role of L-Dihydrogeraniol, a key ingredient that enhances your beauty products, and learn about its benefits, uses, and potential side effects.

What is L-Dihydrogeraniol?

L-Dihydrogeraniol, also known as (-)-3,7-Dimethyloct-6-en-1-ol, is a common ingredient found in many cosmetic products. It’s a naturally occurring compound that is derived from geraniol, a type of alcohol that is often used in perfumery. Geraniol is found in a variety of essential oils, including rose oil and citronella oil, and it’s this natural source that gives L-Dihydrogeraniol its distinctive fragrance.

The use of L-Dihydrogeraniol in cosmetics dates back several decades. Its pleasant scent and versatility made it a popular choice for manufacturers looking to enhance the sensory experience of their products. Over time, it has become a staple in the cosmetic industry, used in everything from perfumes and colognes to lotions and creams.

Producing L-Dihydrogeraniol involves a process known as hydrogenation. This involves treating geraniol with hydrogen in the presence of a catalyst, which results in the formation of L-Dihydrogeraniol. The end product is a clear, colorless liquid with a mild, sweet, rose-like scent. It’s this unique fragrance that makes L-Dihydrogeraniol such a valuable addition to cosmetic products.

The Benefits/Uses of L-Dihydrogeraniol

In this section, we will delve into the officially recognized benefits and uses of L-Dihydrogeraniol:


As per the International Nomenclature of Cosmetic Ingredients (INCI), the primary function of L-Dihydrogeraniol in cosmetics is to add fragrance. This means it is used to impart a specific scent to the product. Fragrance is a crucial aspect of cosmetics as it enhances the overall user experience. A pleasant scent can make the product more appealing to use and can contribute to the feeling of freshness and cleanliness after use. L-Dihydrogeraniol, specifically, is known for its fresh and floral scent, making it a popular choice in a variety of cosmetic products, from lotions and creams to perfumes and colognes.

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

L-Dihydrogeraniol, as a fragrance ingredient, is generally considered safe for use in cosmetics. However, like any other ingredient, it may not be suitable for everyone. It is important to note that individuals with sensitive skin or those who are allergic to fragrances may experience irritation or allergic reactions.

Some potential side effects of topical application of L-Dihydrogeraniol include:

  • Redness
  • Itching
  • Swelling
  • Rash

Regarding individuals who are pregnant or breastfeeding, there is currently insufficient data on the safety of topical use of products containing L-Dihydrogeraniol. It is always advisable to consult a healthcare professional for further advice in such cases.

While adverse reactions to L-Dihydrogeraniol are not common, it is always a good idea to conduct a patch test before using a new product containing this ingredient. This can help identify any potential sensitivity or allergic reaction to the ingredient.

On the comedogenicity scale, L-Dihydrogeraniol is rated as 0, meaning it is non-comedogenic. This implies that it does not clog pores, making it suitable for individuals prone to acne, blemishes, or breakouts. However, everyone’s skin is unique, and what works for one person may not work for another. Therefore, it is always recommended to monitor your skin’s response to any new product or ingredient.

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