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OXIDIZED ETHYLENE/PROPYLENE COPOLYMER.

Valuable CAS 68891-61-2 / VISCOSITY CONTROLLING

An engineered polymer derivative, Oxidized Ethylene/Propylene Copolymer functions primarily as a film-forming agent, creating a breathable barrier on the skin to enhance moisture retention. It also serves as a versatile texture enhancer and stabilizer, optimizing product feel and consistency within cosmetic formulations.

Summary

Film-forming agent Moisturizing agent Texture enhancer Stabilizing agent Bulking agent Abrasive

Science

Mechanism of Action

This copolymer, derived from ethylene and propylene monomers and subsequently oxidized, forms a protective, non-occlusive film upon application to the skin or hair. This film physically reduces transepidermal water loss (TEWL), thereby improving skin hydration and contributing to a smoother skin feel. Beyond its film-forming capabilities, it optimizes the tactile properties and spreadability of cosmetic products. Furthermore, it acts as a stabilizing agent, helping to maintain the integrity and efficacy of formulations against environmental variability, and can function as a bulking agent or mild abrasive depending on its specific application.

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

This ingredient exhibits good stability under standard cosmetic manufacturing temperatures and pressures, contributing to reliable product shelf-life.

Conflicts

  • Strong oxidizing agents
  • Halogens
  • Chlorinated solvents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

While direct safety data specifically for Oxidized Ethylene/Propylene Copolymer is limited, its closely related counterparts, Ethylene/Propylene Copolymers, are generally recognized as safe for cosmetic use by regulatory bodies such as the U.S. FDA and the European Union Cosmetics Directive. The CIR Panel has deemed similar styrene and vinyl-type styrene copolymers safe, citing negligible percutaneous absorption due to their large molecular size. EWG Skin Deep also assigns low concern ratings for non-oxidized Ethylene/Propylene Copolymer regarding cancer, allergies, and developmental toxicity. Although adverse reactions are rare, individuals with heightened skin sensitivities are advised to perform a patch test due to the specific 'oxidized' modification.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Oxidized Ethylene/Propylene Copolymer is a valuable ingredient, primarily serving as a film-forming and texture-enhancing agent to support skin hydration and product stability, despite limited direct safety data for its specific 'oxidized' form.

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