Science
Mechanism of Action
This ingredient operates as a surfactant by lowering the surface tension of liquids, facilitating the uniform dispersion of oil and water phases. Its molecular structure contains both hydrophilic (water-loving) and lipophilic (oil-loving) components, which are crucial for its emulsifying capabilities, enabling the formation of stable mixtures from otherwise immiscible liquids. Beyond these roles, PPG-2-DECETH-60 also serves as an effective solubilizer and solvent within cosmetic formulations, enhancing ingredient dispersion and product consistency.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
PPG-2-DECETH-60 is readily soluble in water, ethanol, propylene glycol, and 2-propanol, and dispersible in certain low aromatic solvents. While specific optimal pH stability data for PPG-2-DECETH-60 is not available, related polypropylene glycol derivatives typically exhibit stability within a pH range of 5.0 to 7.0 in 1% aqueous solutions. Formulators should also be aware of the ongoing monitoring for potential byproducts like 1,4-dioxane, ethylene oxide, and propylene oxide during its synthesis and inclusion.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel assessed PPG-2-DECETH-60 in 2013, concluding it is safe for cosmetic use under current practices and concentrations, provided formulations are non-irritating. As a larger molecule, it is generally considered to have reduced potential for skin penetration compared to smaller glycol ethers. While generally noted for good skin tolerance and not typically considered comedogenic or irritating, individual patch testing is advised. Concerns about potential residual byproducts like 1,4-dioxane, ethylene oxide, and propylene oxide require careful monitoring during manufacturing. It is worth noting that while some sources, such as EWG citing California OEHHA Proposition 65, have flagged this ingredient for potential carcinogenicity and reproductive toxicity, the CIR report indicated no published studies supporting genotoxicity, carcinogenicity, or reproductive/developmental toxicity were found for alkyl PEG-PPG ethers at the time of their review.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-2-DECETH-60 is a valuable functional ingredient for formulation stability and cleansing, deemed safe by CIR under specific non-irritating conditions, though continued monitoring for byproducts is essential.
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