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Moumoujus

PEG-8 DIMETHICONE DIMER DILINOLEATE.

Insufficient Data CAS - / FILM FORMING

PEG-8 DIMETHICONE DIMER DILINOLEATE is a sophisticated copolymer designed to function as a skin conditioning agent and emollient. It works by establishing a protective barrier on the skin's surface, effectively preventing moisture loss and enhancing overall skin hydration. This ingredient also contributes to a smoother skin feel and can reduce product tackiness.

Summary

Skin conditioning Emollient Moisture barrier formation

Science

Mechanism of Action

This ingredient's mechanism relies on its PEG-8 Dimethicone component, which forms a semi-occlusive, protective film on the skin. This barrier minimizes transepidermal water loss, thereby retaining intrinsic moisture and preventing dehydration. Concurrently, its emollient properties condition the skin, improving its texture and imparting a non-tacky finish.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 5.5 – 8.5
0 7 14

Stability

The PEG-8 Dimethicone component of this ingredient demonstrates optimal stability within a functional pH range of 5.5 to 8.5. At a 1% active concentration, hydrolysis of PEG-8 Dimethicone led to a 20% degradation over 45 days at pH 5, and over 86 days at pH 8, indicating improved stability in slightly alkaline conditions.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically assessed the copolymer PEG-8 DIMETHICONE DIMER DILINOLEATE. However, its constituent PEG-8 Dimethicone was deemed safe for cosmetic use up to 5.6% in a 2014 assessment. Related Dialkyl Dimer Dilinoleates were also found safe in concentrations up to 48.7%. Despite this, EWG highlights potential data gaps and assessment method deficiencies for PEG-8 Dimethicone, with safety assessments primarily based on reported 'as used' concentrations. Overall irritancy and comedogenicity are considered low.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While its emollient and conditioning properties are understood through its components, and it is associated with low irritancy, the specific copolymer PEG-8 DIMETHICONE DIMER DILINOLEATE lacks a dedicated safety review by major regulatory bodies, necessitating further ingredient-specific assessment.

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