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TEA-ACRYLATES/ACRYLONITROGENS COPOLYMER.

Valuable / FILM FORMING

This copolymer primarily functions as a film-forming and thickening agent in skincare formulations. It contributes to a soft, smooth skin feel by creating a subtle barrier, while simultaneously enhancing product texture and imparting water resistance.

Summary

Film-forming agent Viscosity controlling Binding agent Skin conditioning Water resistance

Science

Mechanism of Action

TEA-ACRYLATES/ACRYLONITROGENS COPOLYMER forms a protective, flexible film on the skin's surface upon application, which helps to impart a soft and smooth tactile sensation. In formulations, it effectively acts as a thickening agent, thereby optimizing the product's texture and overall viscosity, and significantly contributes to its water-resistant properties.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

25%

Key findings

  1. 01 Clinical evaluations demonstrated that Acrylates Copolymer, at a concentration of 30% solids, did not elicit irritant or sensitizing reactions in human subjects. Further testing, including a Human Repeated Insult Patch Test (HRIPT) conducted on 47 individuals, confirmed its non-irritant and non-sensitizing profile at a 25% aqueous dilution.

Transparency

Dusting Analysis

Not commonly dusted

As a film-forming and viscosity-controlling agent, this ingredient's primary functions do not typically involve concerns related to dusting in cosmetic formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 6.3 – 8
0 7 14

Stability

Acrylates copolymer, as a class, demonstrates excellent suspending, stabilizing, and thickening capabilities, performing optimally within a pH range of 6.3 to 8, and continuing to thicken effectively up to pH 11. It maintains stability across a wide temperature spectrum and exhibits robust resistance to shear forces.

Conflicts

  • Strict avoidance of co-formulation with nitrosating agents or any ingredients that can lead to the formation of N-nitroso compounds is crucial, particularly due to the potential presence of secondary amine impurities associated with the Triethanolamine (TEA) component.

Safety

Safety Profile

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

The CIR Expert Panel considers this ingredient safe for cosmetic use when formulations are designed to be non-irritating. The maximum reported concentration for dermal exposure in leave-on products is 25%. A significant safety consideration is the imperative to formulate TEA-containing ingredients to prevent the formation of nitrosamines, which could pose health concerns.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Low to medium
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

This copolymer is a valuable functional ingredient for improving product texture, providing a smooth skin feel, and enhancing water resistance, provided it is meticulously formulated within safety guidelines to prevent irritation and nitrosamine formation.

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