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POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER.

Valuable / VISCOSITY CONTROLLING

This polymer primarily serves as a versatile viscosity controlling agent, enabling precise adjustments to product texture. It also functions as a consistency enhancer, improving formulation stability, and acts as a humectant to support moisture retention within the product.

Viscosity Controlling Consistency Enhancer Humectant Emollient Co-emulsifier Surfactant Conditioning Agent

Science

POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER fundamentally modulates rheology, influencing the flow and thickness of cosmetic products. By increasing or decreasing viscosity, it helps achieve desired product textures and spreadability. In addition, it enhances overall product consistency and can draw moisture into a formulation as a humectant. As a derivative of polyethylene glycol (PEG), it may also contribute to emollience, emulsification, surface-active properties, and conditioning benefits.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols, including this derivative, are generally well-tolerated and resist microbial degradation, often obviating the need for additional preservatives. The solubility in water and ability to absorb moisture (hygroscopicity) of polyethylene glycols are observed to diminish with increasing molar mass.


Safety

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that alkyl PEG/PPG ethers, which encompass this ingredient, are safe for use in cosmetics when formulated to ensure they are non-irritating. Polyethylene glycols are broadly considered safe for topical application, demonstrating minimal irritation to human skin and no evidence of sensitizing, mutagenic, or carcinogenic effects.


Your Skin

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

Our Assessment

Valuable

This ingredient is valuable for formulating stable and sensorially pleasing skincare products through its reliable viscosity control, consistency enhancement, and humectant properties, with a low risk of irritation or sensitization when properly formulated.


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