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Moumoujus

DILINOLEIC ACID/DILINOLEYL ALCOHOL/PROPANEDIOL COPOLYMER.

Valuable / FILM FORMING, PLASTICISER, VISCOSITY CONTROLLING

DILINOLEIC ACID/DILINOLEYL ALCOHOL/PROPANEDIOL COPOLYMER is a multifunctional polymer engineered to create a protective, continuous film on the skin. It acts as an effective emollient, softening and smoothing the complexion, while also contributing to formulation aesthetics by controlling viscosity and serving as a plasticiser.

Summary

Film-forming Plasticiser Viscosity controlling Skin-conditioning emollient Gloss enhancer

Science

Mechanism of Action

This ingredient functions primarily as a film-forming agent, creating a coherent and continuous layer on the skin's surface. It also serves as a plasticiser, improving the pliability and texture of formulations by making brittle materials soft or smooth. Furthermore, it aids in controlling product viscosity, allowing for desirable sensory characteristics, and imparts skin-conditioning emollient benefits to soften and smooth the skin.

Research

Clinical Evidence

Medium confidence
Effective range 2–48.7%
Optimal

N/A

Key findings

  1. 01 Makeup formulations containing a related dialkyl dimer dilinoleate demonstrated non-acnegenic, non-comedogenic, and non-irritating profiles at a 2% concentration.
  2. 02 A moisturizer formulation incorporating a related dialkyl dimer dilinoleate showed no dermal irritation at a 5% concentration.
  3. 03 Human Repeated-Insult Patch Tests (HRIPTs) involving 53 subjects revealed no sensitization when a related dimer dilinoleate, containing dilinoleyl alcohol, was used at 19% in a lip treatment.
  4. 04 Related dimer dilinoleates containing dilinoleyl alcohol are reportedly utilized at concentrations up to 48.7% in lipsticks and lip glosses, with related dialkyl dimer dilinoleates used as high as 53% in lipsticks, having been tested safe for irritation/sensitization up to 27%.

Transparency

Dusting Analysis

Not commonly dusted

This ingredient functions as a critical structural and conditioning agent, contributing to film formation, emollience, and texture modification. Its reported use concentrations for related compounds (up to 48.7%) are substantial, indicating its role as a functional component rather than a 'dusted' active.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Max tested
48.7%
Sensitization risk Low

The CIR Expert Panel has deemed a broader group of 'dialkyl dimer dilinoleates,' which share structural similarities with components of this copolymer, safe for cosmetic use under current practices. While a comprehensive review of 'Dimer Dilinoleates' (including related compounds with dilinoleyl alcohol) is ongoing as of 2025, existing data indicates safety at usage levels up to 48.7% in lip products, with specific studies confirming low irritation and sensitization potential.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

This copolymer is a valuable multifunctional ingredient, offering film-forming, emollient, and texture-enhancing properties with a low risk of irritation and comedogenicity, based on extensive safety data from closely related compounds.

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