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Article last updated: October 15, 2024
Dea-Oleth-20 Phosphate, also known by its chemical name (Z)-9-Octadecanol, ethoxylated, phosphates, bis(2-hydroxyethyl)ammonium salts (20 mol EO average molar ratio), is a versatile ingredient commonly found in various cosmetic products. This compound is primarily derived from oleyl alcohol, which is a fatty alcohol obtained from natural sources such as plant oils. The “20 mol EO” in its name indicates that it has been ethoxylated with an average of 20 moles of ethylene oxide, a process that enhances its solubility and functionality in formulations.
The history of Dea-Oleth-20 Phosphate in cosmetics dates back to the mid-20th century when the demand for more effective and stable emulsifiers and cleansing agents began to rise. As the cosmetic industry evolved, so did the need for ingredients that could offer multiple benefits in a single formulation. Dea-Oleth-20 Phosphate emerged as a popular choice due to its dual capabilities as a cleansing agent and an emulsifier, making it a valuable addition to a wide range of products, from shampoos and conditioners to lotions and creams.
The production of Dea-Oleth-20 Phosphate involves a multi-step chemical process. Initially, oleyl alcohol undergoes ethoxylation, where ethylene oxide is added to the alcohol to create a series of ethoxylated derivatives. This step is crucial as it enhances the hydrophilic properties of the molecule, making it more compatible with water-based formulations. Following ethoxylation, the compound is then phosphorylated, introducing phosphate groups that further improve its emulsifying and cleansing properties. Finally, the product is neutralized with bis(2-hydroxyethyl)ammonium salts to achieve the desired stability and functionality required for cosmetic applications.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Dea-Oleth-20 Phosphate:
Dea-Oleth-20 Phosphate is primarily known for its cleansing properties. This means it helps to remove dirt, oil, and other impurities from the skin or hair. When included in products like shampoos, facial cleansers, or body washes, it works by breaking down and emulsifying the oils and grime, making it easier to wash them away. This leaves your skin or hair feeling fresh and clean.
Another significant benefit of Dea-Oleth-20 Phosphate is its ability to act as an emulsifier. In simple terms, an emulsifier helps to blend ingredients that typically don’t mix well, such as oil and water. This is crucial in many cosmetic formulations, like lotions and creams, where a smooth and stable mixture is desired. By ensuring that the ingredients are well-blended, Dea-Oleth-20 Phosphate helps to improve the texture and consistency of the product, making it more pleasant to use.
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).
Dea-Oleth-20 Phosphate is generally considered safe for use in cosmetic products, but like any ingredient, it may cause side effects in some individuals. Here are some potential side effects of topical application:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Dea-Oleth-20 Phosphate during pregnancy are lacking. Therefore, it is advisable for pregnant or breastfeeding women to consult a healthcare professional for further advice before using products containing this ingredient.
While adverse reactions to Dea-Oleth-20 Phosphate are not very common, it is always prudent to perform a patch test before widespread usage to ensure that your skin does not react negatively to the ingredient.
In terms of comedogenicity, Dea-Oleth-20 Phosphate has a rating of 1 on a scale of 0 to 5, where 0 is totally non-comedogenic and 5 is highly comedogenic. This low rating indicates that it is unlikely to clog pores and is generally suitable for people prone to acne, blemishes, or breakouts.
