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Ingredient directory

Noneth-8

NONETH-8, identified as Nonoxynol-8, is a functional ingredient primarily utilized as a surfactant and cleansing agent in cosmetic formulations. It is integral to creating stable emulsions and effectively removing impurities.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

Cleansing Agent Surfactant Emulsifier

Science

This compound functions by significantly lowering the surface tension between immiscible liquids, such as oil and water. This fundamental property allows for superior mixing and dispersion, facilitating efficient cleansing and the stable emulsification of various cosmetic components within a product.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH N/A
0 7 14

Stability

No specific optimal pH range for stability of NONETH-8 has been identified; however, comprehensive pH assessment is critical for overall formulation stability.


Safety

CIR Status
Safe as used | safe with restrictions
Max tested
5%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel concluded NONETH-8 is safe in rinse-off products and in leave-on products up to a 5% concentration, a restriction based on human skin irritation and sensitization data. While the EU has environmental restrictions on nonoxynols, these were deemed irrelevant to consumer safety in cosmetic products by the CIR Panel. Cosmetic ingredients in the US are regulated by the FDA but do not require premarket approval.


Your Skin

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

Our Assessment

Optional

NONETH-8 serves as an effective cleansing and emulsifying agent, deemed safe by CIR with a 5% limit for leave-on products due to moderate irritation potential.


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