Article last updated: October 15, 2024
Dicetearyl Dimer Dilinoleate, also known by its chemical name 9,12-Octadecadienoic Acid (9Z, 12Z)-, Octadecyl Ester, Dimer, is a synthetic ester commonly used in cosmetic formulations. This ingredient is derived from the esterification of dimerized linoleic acid with cetyl and stearyl alcohols. Linoleic acid is a polyunsaturated omega-6 fatty acid found in various plant oils, such as sunflower and safflower oils. The process of dimerization involves chemically bonding two linoleic acid molecules, which enhances the stability and viscosity of the resulting compound.
The use of Dicetearyl Dimer Dilinoleate in cosmetics has evolved over the years as formulators have sought more effective and stable ingredients for skin conditioning. Initially, natural oils and simple esters were used for their emollient properties, but these often lacked the desired stability and texture. The development of synthetic esters like Dicetearyl Dimer Dilinoleate provided a more reliable alternative, offering improved performance and a longer shelf life.
Manufacturing Dicetearyl Dimer Dilinoleate involves a multi-step chemical process. First, linoleic acid is dimerized to form a more complex molecule. This dimerized acid is then reacted with cetyl and stearyl alcohols in an esterification reaction, resulting in the final product. The outcome is a highly stable, viscous ester that can be easily incorporated into various cosmetic formulations, providing excellent skin conditioning properties without the greasiness often associated with natural oils.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Dicetearyl Dimer Dilinoleate:
Dicetearyl Dimer Dilinoleate is primarily used for its skin conditioning properties. This means it helps to keep your skin soft, smooth, and healthy-looking. When applied in cosmetic products, it forms a protective barrier on the skin’s surface, which helps to lock in moisture and prevent dryness. This can be particularly beneficial for individuals with dry or sensitive skin, as it helps to maintain hydration and improve the overall texture of the skin.
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).
Dicetearyl Dimer Dilinoleate is generally considered safe for topical application in cosmetic products. However, as with any ingredient, there are potential side effects that users should be aware of:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Dicetearyl Dimer Dilinoleate 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 Dicetearyl Dimer Dilinoleate are relatively uncommon. However, it is always recommended to conduct a patch test before widespread usage to ensure that the ingredient does not cause any adverse reactions on your skin.
In terms of comedogenicity, Dicetearyl Dimer Dilinoleate has a rating of 2 on a scale of 0 to 5. This means it has a low to moderate potential to clog pores. Individuals who are prone to acne, blemishes, or breakouts should take this into consideration when choosing products containing this ingredient.
