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DECETH-9 PHOSPHATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING

DECETH-9 PHOSPHATE is a polyethylene glycol ether of decyl alcohol, primarily utilized as a surfactant, cleansing agent, and emulsifier in cosmetic formulations. It efficiently reduces surface tension, allowing oil and water to mix, which is fundamental for effective cleansing and product stability.

Summary

Cleansing Agent Emulsifier Surfactant

Science

Mechanism of Action

This ingredient functions by significantly lowering the surface tension of liquids, a hallmark characteristic of surfactants. This property facilitates the homogeneous mixing of oil and water, which is critical for formulating stable oil-in-water emulsions and enhancing cleansing efficacy. Furthermore, DECETH-9 PHOSPHATE contributes to refining product texture and ensuring an even distribution of active ingredients across the skin surface, delivering a mild cleansing action.

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

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Deceth ingredients, including DECETH-9, and alkyl phosphates are safe when used in cosmetic products formulated to be nonirritating. While high concentrations can potentially cause skin irritation, this is generally not observed at typical cosmetic usage levels. Manufacturers can control the presence of 1,4-dioxane, a potential ethoxylation byproduct, through purification processes. This ingredient is permissible for use in cosmetics within the European Union.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

DECETH-9 PHOSPHATE is a valuable ingredient for its essential functional roles as an emulsifier and mild cleansing agent, deemed safe by CIR when formulated responsibly.

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