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HYDROXYPROPYL DIMETHICONYLPROPYL ACRYLATES COPOLYMER.

Valuable / FILM FORMING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING

HYDROXYPROPYL DIMETHICONYLPROPYL ACRYLATES COPOLYMER is a versatile polymer engineered to create an ultra-thin, continuous film on the skin. This sophisticated barrier offers protection against environmental aggressors, mitigates trans-epidermal water loss, and imparts water resistance to cosmetic formulations, enhancing product durability and skin resilience.

Summary

Film-forming agent Skin protectant Water-resistance enhancer Cleansing agent Suspending agent Viscosity controlling

Science

Mechanism of Action

This copolymer primarily functions as a film-forming agent, constructing a continuous, hydrophobic, and viscoelastic barrier on the skin's surface. This advanced film actively prevents moisture loss and provides a shield against external factors such as chemicals, UV radiation, and pollution. Additionally, its inherent surfactant properties enable it to serve as both a cleansing and suspending agent within various cosmetic formulations.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Due to its dimethiconylpropyl component and hydrophobic nature, this ingredient is inherently oil-soluble and contributes significantly to water resistance in formulations. While specific pH ranges for the copolymer itself are not definitively stated, related acrylate monomers demonstrate better stability in neutral to acidic pH environments (e.g., pH 3-7) compared to highly alkaline conditions (e.g., pH 11), suggesting similar considerations for optimal formulation stability.

Conflicts

  • Compatibility should be thoroughly evaluated when formulating with cationic ingredients, as related acrylate copolymers are typically anionic in nature.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Low

The CIR Expert Panel concluded that a broader group of 126 acrylates copolymers are safe for cosmetic use, provided they are formulated to be non-irritating. The US FDA considers closely related 'Dimethicone' safe as a skin protectant at low, non-irritating concentrations, attributing this to its high molecular weight and minimal skin absorption. Human repeated insult patch tests have shown Acrylates Copolymer to be non-irritating and non-sensitizing at concentrations up to 30% solids. For leave-on products with dermal exposure, the maximum reported concentration for Acrylates Copolymer is 25%.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

HYDROXYPROPYL DIMETHICONYLPROPYL ACRYLATES COPOLYMER is a valuable multifunctional ingredient, offering significant environmental protection, water resistance, and moisture retention benefits for all skin types, with a favorable safety profile up to 25% concentration.

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