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OCTYLDODECYL DILINOLEIC ACID/PROPANEDIOL COPOLYMER.

Valuable / FILM FORMING, PLASTICISER, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

This copolymer functions as a multi-functional emollient and film-forming agent, meticulously engineered to smooth and soften the skin while establishing a continuous, protective layer. It enhances cosmetic elegance by imparting gloss and significantly improving product longevity and feel.

Summary

Emollient Film Forming Plasticiser Viscosity Controlling

Science

Mechanism of Action

On the skin, OCTYLDODECYL DILINOLEIC ACID/PROPANEDIOL COPOLYMER operates through several distinct mechanisms. It acts as an emollient, delivering substantial softening and conditioning benefits to the skin. Concurrently, it functions as a film-former, generating a stable, cohesive film on the skin's surface, which contributes to increased substantivity and a potentially enhanced barrier. Furthermore, it serves as a plasticizer, improving the flexibility and texture of cosmetic formulations, and as a viscosity-controlling agent, optimizing product consistency. In lip applications, these combined properties result in a desirable glossy appearance and extended wear.

Research

Clinical Evidence

Medium confidence
Effective range 1–5%
Optimal

N/A

Key findings

  1. 01 A supplier-conducted Repeated Insult Patch Test (RIPT) on this ingredient, at concentrations between 1% and 5%, demonstrated favorable results, indicating no suspected safety concerns regarding irritation on human skin.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

This ingredient exhibits robust stability within oil-based systems, showing particular solubility in castor oil, which makes it highly suitable for lip formulations such as lipsticks and glosses. Its inherent insolubility in water and alcohol is advantageous for formulating long-wear cosmetic products, including sunscreens. The copolymer also demonstrates excellent compatibility with lake pigments, contributing to formulation stability and consistent color delivery.

Synergies

  • When precisely combined with Phytosteryl Sunflowerseedate and Hydrogenated Vegetable Glycerides, it can form a high-performance, vegetable-derived alternative to lanolin, providing rich emollience.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While a specific Cosmetic Ingredient Review (CIR) assessment for OCTYLDODECYL DILINOLEIC ACID/PROPANEDIOL COPOLYMER has not been published, a similar ingredient, Dilinoleic Acid/Propanediol Copolymer, has been identified by SkinSAFE as 'Irritant Free', 'Teen SAFE', 'Lip SAFE', 'Baby SAFE', and 'Eyelid SAFE', suggesting a very low risk profile. Furthermore, supplier-provided RIPT data at concentrations of 1-5% revealed no irritation concerns, supporting its overall mildness and safety.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This versatile ingredient is a valuable multi-functional emollient and film-former, effectively enhancing skin smoothness, improving product longevity, and contributing to a superior cosmetic feel across diverse formulations.

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