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PHYTOSTERYL/ISOSTEARYL/CETYL/STEARYL/BEHENYL DIMER DILINOLEATE.

Valuable / HAIR CONDITIONING, SKIN CONDITIONING, VISCOSITY CONTROLLING

This sophisticated lipid-based ingredient functions as a superior emollient and skin conditioner, adept at softening and hydrating the skin. It meticulously forms a protective barrier, optimizing moisture retention and supporting overall skin health, particularly beneficial for compromised skin barriers.

Summary

Emollient Skin-conditioning agent Viscosity controlling Hair conditioning

Science

Mechanism of Action

Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate primarily functions by establishing a robust protective film on the skin's surface, which effectively diminishes transepidermal water loss and significantly enhances hydration levels. Its rich lipid content is crucial for restoring the skin's natural elasticity and suppleness. Furthermore, its unique ability to organize into lamellar liquid crystals mimics the skin's natural lipid structure, thereby actively participating in the restoration and fortification of skin barrier functions. This mechanism also leads to improved skin conductance, indicating enhanced stratum corneum moisture.

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 5 – 6
0 7 14

Stability

This ingredient acts as a stabilizing agent within cosmetic formulations, adept at preventing crystal formation and enhancing textural properties in both makeup and emulsion systems. It exhibits optimal stability within a pH range of 5.0 to 6.0.

Safety

Safety Profile

CIR Status
Insufficient data
Max tested
48.7%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel is currently conducting a safety assessment for Dimer Dilinoleates, including this specific compound, with an SLR Notice to Proceed issued in February 2025. While significant data needs are acknowledged for this assessment, the ingredient is broadly recognized as safe for cosmetic applications and rarely instigates adverse reactions. European Cosmetics Regulations permit its use, advising adherence to specified concentration limits, with a reported maximum use concentration of 48.7% observed in lipsticks and lip glosses. SkinSAFE further categorizes it as Teen SAFE, Lip SAFE, Baby SAFE, Eyelid SAFE, and Irritant Free.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This versatile lipid derivative is a valuable asset for enhancing skin hydration and barrier function, particularly suitable for dry and sensitive skin types due to its emollient and protective qualities.

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