Science
Mechanism of Action
PEG-12 DIMETHICONE/BIS-ISOBUTYL PPG-20 CROSSPOLYMER forms a breathable, cohesive film on the skin's surface. This film effectively mitigates transepidermal water loss, thereby enhancing skin hydration and softness. It dramatically improves product slip and spreadability, contributing to a desirable silky, non-greasy, and subtly powdery finish while concurrently reducing tack. Its unique polymer structure also facilitates the enhanced delivery of various active compounds into the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This hybrid polymer exhibits robust chemical stability. Its performance and optimal compatibility are dependent on specific factors such as crosslink density, the PEG/PPG ratio, and the chosen carrier, often supplied pre-dispersed in a silicone such as Caprylyl Methicone. Achieving uniform sensory performance requires careful control over dispersion methods, including shear forces and the precise order of ingredient addition. The ingredient demonstrates significant versatility, capable of incorporating up to 75% water and 40% glycerin, functioning as a rheology modifier across both aqueous and anhydrous systems.
Synergies
- Facilitates the delivery of a broad spectrum of active ingredients, including oil-soluble compounds (e.g., sunscreens) and water-soluble compounds (e.g., Vitamin C, Aloe Vera, Caffeine).
Conflicts
- No direct incompatibilities are specified; however, careful balancing is advised for more hydrophilic grades to prevent structural integrity loss or phase separation.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed dimethicone crosspolymer ingredients, including this compound, safe for cosmetic use within specified concentrations. While generally well-tolerated by most skin types at recommended levels, its PEG component introduces potential concerns regarding trace impurities like ethylene oxide and 1,4-dioxane. Therefore, application to compromised or irritated skin is not advised. Related PEGs have received specific, limited use designations from the FDA in food applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-12 DIMETHICONE/BIS-ISOBUTYL PPG-20 CROSSPOLYMER is a valuable, multifunctional ingredient that profoundly enhances product aesthetics, provides emollient benefits, and acts as an effective delivery system for active ingredients, exhibiting excellent skin compatibility.
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