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ETHYLENE BIS-HYDROXYSTEARAMIDE.

Avoid CAS 100545-48-0 / VISCOSITY CONTROLLING

ETHYLENE BIS-HYDROXYSTEARAMIDE is a synthetic amide derivative primarily utilized in cosmetic formulations to enhance texture and application. It functions as an emollient, thickener, and lubricant, contributing to a smoother user experience and refined product quality.

Summary

Emollient Thickener Slip agent Viscosity modifier Anti-static agent Lubricant

Science

Mechanism of Action

This ingredient reduces friction on the skin's surface, enabling cosmetic products to spread more evenly and feel smoother during application. Its ability to modify viscosity and provide a 'slip' effect also improves the overall sensorial quality and stability of a formulation.

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 N/A
0 7 14

Stability

Exhibits robust thermal stability, withstanding temperatures up to 300°C. No specific optimal pH range for stability has been identified. It is insoluble in water at room temperature but shows solubility in high boiling point organic solvents such as xylene, chloroform, butanol, and chlorinated or aromatic solvents.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

The Cosmetic Ingredient Review (CIR) and the Scientific Committee on Consumer Safety (SCCS) have not formally reviewed ETHYLENE BIS-HYDROXYSTEARAMIDE. While listed by the FDA as a Food Contact Substance with a limitation of 1% by weight in polylactic acid polymers, GHS classifications from aggregated reports indicate a significant risk of 'Skin Sensitization, Category 1B' (H317, 'May cause an allergic skin reaction') in 67.8% of instances. This highlights a high potential for adverse skin reactions, classifying it as a concern for sensitive skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Despite its functional benefits in formulation, the documented high risk of skin sensitization (nearly 68% of reports) makes ETHYLENE BIS-HYDROXYSTEARAMIDE unsuitable for precision skincare, particularly for sensitive skin types.

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