Science
Mechanism of Action
PEG/PPG-40/2 Propylheptyl Ether exerts its effects through surface activity, serving as a surfactant to reduce interfacial tension. It also functions as an emulsifier, stabilizing oil-in-water or water-in-oil systems, and as a skin conditioning agent, enhancing the skin's appearance and feel.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient demonstrates stability across a broad pH range, remaining stable in both acidic and alkaline conditions.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that alkyl PEG/PPG ethers, including PEG/PPG-40/2 Propylheptyl Ether, are safe under current practices of use and concentration, provided they are formulated to be non-irritating. As larger molecules, these ethers are generally considered less likely to penetrate the skin and enter systemic circulation. While specific usage data for this ingredient was not available at the time of the 2013 CIR report, similar alkyl PEG/PPG ethers are used in leave-on products at concentrations of 5% or less. The safety assessment also considered potential concerns regarding residual manufacturing impurities like ethylene oxide, propylene oxide, and 1,4-dioxane, and the possibility of these ingredients enhancing skin penetration.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While deemed safe for cosmetic applications by the CIR, specific clinical efficacy data on direct skin benefits and comprehensive current usage information for PEG/PPG-40/2 Propylheptyl Ether are limited, indicating insufficient data for a definitive benefit-driven rating.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources