Science
Mechanism of Action
As a pentaerythrityl tetraester, POLYPENTAERYTHRITYL C5-10 ACID ESTERS operates by providing comprehensive skin conditioning. It acts as an emollient, smoothing and softening the skin's surface, while its occlusive properties create a protective film. This film physically impedes water evaporation from the skin, thereby preserving optimal hydration levels and promoting a supple skin feel.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
This ingredient is primarily an emollient and film-former. There is no available data to suggest it exhibits 'dusting' characteristics or requires specific thresholds to prevent such an effect, which is typically associated with highly concentrated or particulate active ingredients.
The Formula
Formulation
Stability
POLYPENTAERYTHRITYL C5-10 ACID ESTERS maintains stability under typical conditions; however, its ester bonds are susceptible to hydrolysis in the presence of strong acids or strong alkalis. Interactions with strong oxidizing acids can lead to vigorous, exothermic reactions. Similarly, caustic solutions generate heat, while alkali metals and hydrides may produce flammable hydrogen gas upon mixing.
Conflicts
- strong acids
- strong alkalis
- strong oxidizing acids
- caustic solutions
- alkali metals
- hydrides
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Pentaerythrityl Tetra C5-10 Acid Esters, a direct synonym, and related pentaerythrityl tetraester compounds, are safe for cosmetic application. Although a specific maximum concentration was not provided for this ingredient in the 2012 CIR report due to a lack of reported usage data at the time, its use is globally approved by regulatory bodies, including its listing as 'ACTIVE' under EPA Chemicals under the TSCA and approval by European Cosmetics Regulation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ester is a valuable emollient and occlusive agent, enhancing skin moisture by preventing water loss, and is deemed safe for cosmetic use by regulatory bodies.
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References
Sources