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PEG-5 STEARAMINE.

Valuable CAS 9003-93-4 / ANTISTATIC, SURFACTANT - EMULSIFYING

PEG-5 Stearamine is a versatile ethoxylated stearylamine derivative, functioning as an emulsifier, surfactant, and conditioning agent. It is crucial for stabilizing oil and water phases in cosmetic formulations, enhancing product texture and performance, and contributes to skin hydration by reducing transepidermal water loss.

Summary

Emulsifying Conditioning Antistatic Surfactant Humectant Mild Detergent Foam Booster

Science

Mechanism of Action

This ingredient operates as a multifaceted functional agent within skincare. Primarily, it acts as an emulsifier, facilitating the homogeneous blending of immiscible oil and water components to create stable and aesthetically pleasing product textures. As a surfactant, it reduces surface tension, aiding in cleansing and foam generation. It also imparts conditioning properties, enhancing the skin's feel. As a polyoxyethylene (PEG) derivative, PEG-5 Stearamine can form hydrogen bonds with water, thereby augmenting the skin's moisture retention capacity and potentially increasing the permeability of other active ingredients.

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 N/A
0 7 14

Stability

PEG-5 Stearamine demonstrates good compatibility with various ingredients. However, due to its amine structure, formulation must rigorously avoid nitrosating systems and maintain a nitrite-free environment to prevent the formation of harmful nitrosamines. Additionally, measures should be taken to minimize hydroperoxide formation through autoxidation.

Conflicts

  • Nitrosating systems

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PEG-5 Stearamine is safe for use in cosmetic formulations, provided products are formulated to be non-irritating. No specific maximum concentration for PEG-5 Stearamine was established, as safety is conditional on proper formulation. Manufacturers are advised to limit impurities such as 1,4-dioxane, ethylene oxide, aflatoxin, residual pesticides, and heavy metals. Raw materials should contain a maximum of 5% secondary amine content and 50 µg/kg nitrosamine content to ensure safety, particularly avoiding nitrosamine formation in nitrite-rich environments.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-5 Stearamine is a valuable multifunctional ingredient for enhancing emulsion stability, texture, and hydration in diverse skincare formulations, contingent upon adherence to stringent formulation safety protocols regarding nitrosamine prevention and impurity control.

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References

Sources