Science
Mechanism of Action
This cross-linked polymer operates through multiple mechanisms to optimize skincare formulations. It functions as a rheology modifier, increasing product viscosity and contributing to a desirable, smooth texture with a glossy appearance. Its amphiphilic structure, possessing both hydrophilic (water-loving) and hydrophobic (oil-loving) groups, effectively stabilizes oil-in-water emulsions, preventing phase separation and ensuring consistent ingredient distribution. Furthermore, it forms a flexible, protective film on the skin's surface, which aids in moisture retention and is particularly beneficial for dry skin. The polymer's pH-responsive nature also allows for precise viscosity regulation, adapting to varying formula requirements.
Research
Clinical Evidence
High confidence0.2%
Key findings
- 01 At a total concentration of 0.04%, a synergistic blend of related acrylate crosspolymers effectively stabilized oil-in-water emulsions, resulting in smaller, more uniform oil droplets.
- 02 Formulations typically incorporate this ingredient at approximately 0.2% w/w to significantly improve viscosity, particularly when the pH is adjusted to 5.5 for optimal performance.
- 03 It can effectively emulsify oils and act as a thickener in various formulas, including gel-types, at concentrations up to 30% without reported adverse effects in standard applications.
Transparency
Dusting Analysis
The ingredient is specifically designed to facilitate easy dispersion in water, thereby reducing the propensity for lumping and improving handling during formulation processes. This engineering minimizes the likelihood of dusting issues commonly associated with powdered polymers.
The Formula
Formulation
Stability
While the raw material itself presents an acidic pH (2.5-3.5 in a 1% aqueous dispersion), its optimal performance for viscosity enhancement and emulsion stability is achieved when formulated within a pH range of 5.5 to 6.5. This ingredient exhibits broad compatibility, integrating effectively with most other formulation components, including common cleansing agents, and is particularly effective in gel-type systems that incorporate an oil phase. It can also be utilized in the formation of nanoparticles.
Synergies
- Most other cosmetic ingredients
- Oil-phase containing gel formulations
- Most cleansing agents
Conflicts
- Strong oxidizers
- Reducing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that crosslinked alkyl acrylates, including this polymer, are safe for use in cosmetic applications at concentrations up to 30%, provided they are not polymerized in benzene. Global regulatory bodies such as the U.S. FDA and European Union recognize its safety. It demonstrates low irritation and allergenic potential, though careful manufacturing controls are important to mitigate any potential contamination concerns.
Your Skin
Skin Compatibility
Our Assessment
Verdict
POLYACRYLATE CROSSPOLYMER-10 is a highly valuable multi-functional ingredient, crucial for optimizing product texture and stability while offering skin-benefiting film-forming properties across all skin types.
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