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POTASSIUM ACRYLATE CROSSPOLYMER.

Valuable CAS 86416-97-9 / ABSORBENT

Potassium Acrylate Crosspolymer is a synthetic polymer engineered to enhance the textural and stabilizing properties of skincare formulations. It forms a protective, non-tacky film on the skin, which contributes to increased hydration and improved product spreadability.

Summary

Thickener Stabilizer Emulsion Regulator Film-forming Agent Humectant Sebum Absorber Texture Enhancer Viscosity Controller

Science

Mechanism of Action

This ingredient operates primarily as a thickener, stabilizer, and emulsion regulator, ensuring a uniform product texture and preventing the separation of oil and water phases. When applied to the skin, it forms a thin, protective film that imparts a velvety feel, enhances product glide, and helps to retain moisture, thereby benefiting dry skin. Certain related polyacrylate crosspolymers also possess oil-absorbing capabilities, which can aid in controlling excess sebum and providing a matte finish, making them suitable for oily or combination skin types. Furthermore, its film-forming action can shield sensitive active ingredients from environmental factors like air and light, potentially extending product efficacy and shelf life.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted

Exposure to Potassium Acrylate Crosspolymer in dust form has been noted to cause irritation to the nose, throat, and respiratory tract. It can also lead to tearing and redness in the eyes. Direct skin contact with the dust may exacerbate existing skin conditions due to its drying properties.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This superabsorbent polymer is highly effective as a gelling and thickening agent in aqueous systems, capable of absorbing hundreds of times its weight in water. To prevent exothermic reactions, it should be stored away from oxidizing agents and materials that are highly acidic or alkaline. High salinity environments can significantly reduce its water absorption and swelling capacity.

Conflicts

  • oxidizing agents
  • highly acidic materials
  • highly alkaline materials
  • high salinity environments

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel has concluded that Potassium Acrylate Crosspolymer, along with 125 other acrylates copolymers, is safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. For a related ingredient, Polyacrylate Crosspolymer-6, the highest reported maximum concentration of use is 5% in mascaras. When used in formulations with Potassium Acrylates/Acrylamide Copolymer, the acrylamide monomer concentration should not exceed 5 ppm.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Potassium Acrylate Crosspolymer is a valuable cosmetic ingredient, contributing significantly to product texture, stability, and delivering beneficial film-forming and hydrating properties to the skin.

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