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Moumoujus

DILINOLEIC ACID/PROPANEDIOL COPOLYMER.

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

A versatile polymer derived from dilinoleic acid and propanediol, this ingredient functions as a robust emollient, film-former, and texture enhancer. It softens and smoothes the skin while imparting a desirable glossy finish and improving product longevity.

Summary

emollient film-forming plasticizer viscosity controlling

Science

Mechanism of Action

Operating as a superior emollient, Dilinoleic Acid/Propanediol Copolymer effectively softens and smoothes the skin's surface. Its film-forming capacity creates a continuous, protective layer, enhancing skin barrier function and contributing to long-wear properties. Furthermore, it acts as a plasticizer, improving the suppleness of formulations, and a viscosity-controlling agent, optimizing product consistency. Its slightly tacky yet substantive nature ensures it adheres well, providing a lasting, glossy appearance.

Research

Clinical Evidence

Low confidence
Effective range 1–5%
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 excellent solubility in various oils and esters, including castor oil. Its insolubility in water and alcohol is a key characteristic, contributing significantly to its effectiveness in long-wearing formulations such as sunscreens. Optimal usage typically ranges from 1% to 5%, depending on the specific product requirements.

Synergies

  • When combined with Phytosteryl Sunflowerseedate and Hydrogenated Vegetable Glycerides, it offers a robust plant-based alternative to traditional lanolin, delivering comparable rich emollient benefits.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While a dedicated Cosmetic Ingredient Review (CIR) assessment for this specific copolymer is not yet available, preliminary safety evaluations indicate a low risk profile. Supplier-conducted Repeated Insult Patch Test (RIPT) studies have shown favorable results, and the monomer, Dilinoleic Acid, has been deemed safe by the CIR Expert Panel when formulated appropriately to be non-irritating and non-sensitizing. Furthermore, widely recognized safety databases like EWG's Skin Deep rate potential concerns such as 'Cancer' and 'Allergies & Immunotoxicity' as low. SkinSAFE categorizes it as 'Irritant Free' and suitable for sensitive areas including eyelids and lips, reinforcing its gentle profile.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A highly versatile and well-tolerated emollient and film-former, Dilinoleic Acid/Propanediol Copolymer is valuable for enhancing skin smoothness, gloss, and product longevity across various formulations.

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