Science
Mechanism of Action
This ingredient functions by creating a cohesive and stable film upon application to the skin, hair, or nails. This film aids in binding other ingredients, improving product adherence, and providing a smooth, uniform surface feel.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The underlying tetraacrylate monomer is susceptible to hazardous polymerization. Stability is compromised by heat, contamination, free radicals, peroxides, and inhibitor depletion, particularly in oxygen-depleted environments. Direct sunlight and UV light are significant catalysts, necessitating robust light protection in formulation and packaging.
Conflicts
- Heat
- Contamination
- Oxygen-free atmosphere
- Free radicals
- Peroxides
- UV light
- Direct sunlight
Safety
Safety Profile
While PEG-7/PPG-2 Pentaerythrityl Tetraacrylate has not been directly reviewed by the CIR Expert Panel, broader assessments have deemed related categories, such as 16 pentaerythrityl tetraester compounds and 131 alkyl PEG/PPG ethers, safe under specified conditions when non-irritating. However, the un-PEGylated precursor, Pentaerythritol tetraacrylate (PETA), is classified as a skin irritant (H315), sensitizer (H317, Skin Sens. 1), and causes serious eye damage (H318). This indicates a potential for cross-sensitization with other acrylates. As an ethoxylated ingredient, it also carries a theoretical risk of 1,4-dioxane impurities if not thoroughly purified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While serving as a film former in diverse cosmetic applications, the absence of direct safety and efficacy data for PEG-7/PPG-2 Pentaerythrityl Tetraacrylate, coupled with known risks of its un-PEGylated precursor, warrants a cautious and data-driven formulation approach.
Related
Similar Ingredients
Finding similar ingredients…