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Moumoujus

POLY(C4-12 OLEFIN).

Valuable CAS - / SKIN CONDITIONING

POLY(C4-12 OLEFIN) is a synthetic polymer that primarily functions as a skin-conditioning agent, creating a protective film to enhance skin texture. It is valued for its ability to reduce moisture loss and contribute to a smooth, soft skin feel, while also acting as a film former and viscosity modifier in product formulations.

Summary

emollient skin conditioning film former viscosity controlling

Science

Mechanism of Action

This ingredient operates by forming an occlusive, non-aqueous film on the skin's surface, which effectively reduces transepidermal water loss and helps to maintain the skin's hydration and overall condition. The resulting film contributes to a visibly smoother and softer skin texture. Beyond its skin-conditioning role, it also acts as a film former and/or viscosity-increasing agent in cosmetic products, particularly within non-aqueous systems, contributing to formula aesthetics and stability.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

POLY(C4-12 OLEFIN) is a high molecular weight polymer, typically presenting as a viscous liquid or semi-solid rather than a fine powder, thus it is not prone to dusting.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Characterized by its simple hydrocarbon structure and high molecular weight, POLY(C4-12 OLEFIN) exhibits exceptional chemical inertness and robust stability against oxidation and heat. It is completely insoluble in aqueous environments but may swell in specific organic solvents. While precise pH stability for this exact olefin is not documented, related polymers demonstrate stability across an extensive pH range from pH 0.0 to 14.0.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that the broader group of polyene ingredients, which includes POLY(C4-12 OLEFIN), is safe for use in cosmetics. While specific usage concentrations for POLY(C4-12 OLEFIN) itself were not available at the time of the 2015 CIR assessment, as it was not reported in current use, other polyenes within the group have been safely utilized at high concentrations (e.g., up to 95% in lipsticks and 67.6% in skin cleansing preparations). Multiple tests on related polyene ingredients have consistently shown no observed irritation or sensitization. No specific FDA approval status is noted for this exact ingredient, though related polyenes are registered in the FDA's Voluntary Cosmetic Registration Program (VCRP). Information regarding SCCS status was not found.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

POLY(C4-12 OLEFIN) is a valuable skin-conditioning polymer, offering effective occlusive properties and enhancing product texture with an excellent safety profile, particularly useful for dry and normal skin types.

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