Science
Mechanism of Action
This ingredient functions by potentially forming hydrogen bonds with water molecules, thereby aiding in the retention of moisture within the skin and reducing transepidermal water loss. Its emollient action contributes to a smoother skin surface, while its broader utility as a PEG derivative can encompass surfactant, emulsifying, cleansing, and humectant roles.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
General PEG solutions demonstrate greater stability when stored at colder temperatures, specifically frozen (-20°C) or refrigerated (4°C), compared to room temperature. Exposure to warmth, light, and oxygen can accelerate degradation, leading to increased levels of aldehydes, carboxylates, and peroxides, alongside reduced pH. Optimal stability is maintained by storing sealed solutions protected from light and minimizing oxygen exposure.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically evaluated PEG-3 PPG-20 Succinate, indicating insufficient data for a dedicated safety assessment. While CIR has generally deemed many alkyl PEG/PPG ethers safe in cosmetics up to 100% when non-irritating, and other PEGylated oils safe at high concentrations, specific data for this ingredient is lacking. Notably, EWG lists PEG-3 PPG-20 Succinate as 'RESTRICTED' due to concerns regarding potential genetic defects, cancer, and reproductive toxicity, referencing EU GHS Hazard Labeling Codes and California OEHHA Proposition 65 List. EWG VERIFIED™ products are advised against containing this ingredient without substantial safety substantiation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to a lack of specific safety assessments from regulatory bodies and notable concerns from organizations like EWG regarding potential toxicities, comprehensive data is insufficient to endorse or reject this ingredient for precision skincare.
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