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Moumoujus

NONYL NONOXYNOL-100.

Questionable CAS 9014-93-1 / CLEANSING, SURFACTANT - CLEANSING

NONYL NONOXYNOL-100 is a nonionic surfactant, primarily utilized for its ability to reduce surface tension. It functions as an emulsifying agent, helping to combine immiscible liquids, and acts as a solubilizer to dissolve other ingredients within formulations.

Summary

Surfactant Emulsifier Solubilizer Foam Stabilizer

Science

Mechanism of Action

This ingredient operates by lowering the surface tension between different phases within a cosmetic formulation. Its nonionic surfactant properties facilitate the formation of stable emulsions, enabling oil and water components to mix, while also assisting in the uniform dispersion and dissolution of other active or inactive substances.

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

Conflicts

  • Not suitable for formulations targeting the European Union market due to stringent environmental restrictions on nonylphenol ethoxylates.
  • Requires precise formulation to ensure it remains non-irritating to the skin.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel deemed NONYL NONOXYNOL-100 safe for use in cosmetics, provided products are formulated to be non-irritating. However, this ingredient, as a nonylphenol ethoxylate, faces severe restrictions or effective bans in the European Union, limited to 0.1% by weight, due to environmental concerns regarding its persistence and potential for endocrine disruption. The FDA's records indicate an 'INCOMPLETE DEFINITION' and 'FAILED' status for NONYL NONOXYNOL-100. It is crucial to distinguish this from Nonoxynol-9, which has specific FDA warnings regarding contraceptive use and increased HIV risk due to irritation; these warnings do not directly apply to NONYL NONOXYNOL-100 in cosmetic contexts but highlight potential irritancy concerns within the nonoxynol family.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

Despite its functional versatility as an emulsifier and solubilizer, NONYL NONOXYNOL-100 presents significant formulation challenges and regulatory hurdles due to environmental and endocrine disruption concerns, particularly within the EU market, making its use questionable for a precision skincare brand.

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