Article last updated: October 15, 2024
Acetyl Trihexyl Citrate, also known by its chemical name 1,2,3-propanetricarboxylic acid, 2-acetyloxy-, trihexyl ester, is a versatile ingredient commonly found in various cosmetic products. This compound is derived from citric acid, a naturally occurring substance in citrus fruits, and is chemically modified to enhance its properties for use in skincare and beauty formulations. It is also known by other names such as Citroflex A-6.
The history of Acetyl Trihexyl Citrate in cosmetics dates back to when formulators sought alternatives to phthalates, which were commonly used as plasticizers but raised health concerns. Acetyl Trihexyl Citrate emerged as a safer, more skin-friendly option. Over time, its multifunctional benefits, including its roles as an antioxidant, chelating agent, plasticizer, skin conditioning agent, and emollient, made it a popular choice in the beauty industry.
The production of Acetyl Trihexyl Citrate involves the esterification of citric acid with hexanol, followed by acetylation. This process results in a compound that is not only effective in enhancing the texture and stability of cosmetic products but also offers additional skin benefits. Its ability to act as a plasticizer helps in improving the flexibility and durability of formulations, while its emollient properties ensure that the skin remains soft and hydrated.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Acetyl Trihexyl Citrate:
Acetyl Trihexyl Citrate acts as an antioxidant, which means it helps to neutralize free radicals that can cause damage to your skin. Free radicals are unstable molecules that can lead to premature aging and other skin issues. By incorporating this ingredient into your skincare routine, you can help protect your skin from environmental stressors like pollution and UV radiation.
This ingredient also serves as a chelating agent. In simple terms, it binds to metal ions that can be present in cosmetic formulations. These metal ions can destabilize the product and reduce its effectiveness. By chelating these ions, Acetyl Trihexyl Citrate helps to maintain the stability and efficacy of the cosmetic product, ensuring you get the best results.
As a plasticiser, Acetyl Trihexyl Citrate helps to improve the texture and flexibility of cosmetic products. This means it can make creams, lotions, and other formulations smoother and easier to apply. It enhances the spreadability of the product, making it more pleasant to use.
One of the standout benefits of Acetyl Trihexyl Citrate is its skin conditioning properties. It helps to keep your skin soft, smooth, and hydrated. This makes it an excellent ingredient for moisturizers and other skincare products aimed at improving the overall texture and appearance of your skin.
Lastly, Acetyl Trihexyl Citrate functions as an emollient. Emollients are substances that soften and moisturize the skin, reducing dryness and flakiness. By forming a protective barrier on the skin’s surface, this ingredient helps to lock in moisture, making your skin feel more supple and comfortable.
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).
Acetyl Trihexyl Citrate is generally considered safe for topical application in cosmetic products. However, as with any ingredient, there are potential side effects and considerations to keep in mind.
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Acetyl Trihexyl Citrate 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 to Acetyl Trihexyl Citrate are generally uncommon. However, it is always recommended to conduct a patch test before widespread usage to ensure there are no adverse reactions.
In terms of comedogenicity, Acetyl Trihexyl Citrate is rated as a 1 on a scale of 0 (totally non-comedogenic) to 5 (highly comedogenic). This means it is unlikely to clog pores and is generally suitable for people prone to acne, blemishes, or breakouts.
