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Moumoujus

TRILAURETH-4 PHOSPHATE.

Valuable CAS 31800-90-5 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Trilaureth-4 Phosphate is a versatile phosphate ester that functions primarily as an emulsifier and solubilizer, ensuring product stability and uniform ingredient distribution. Beyond its critical formulation roles, it also enhances texture, maintains skin moisture, and can facilitate improved absorption of other active ingredients.

Summary

emulsifying solubilizing dispersant texture enhancing surfactant/cleansing moisture maintenance absorption enhancer

Science

Mechanism of Action

This ingredient operates by forming stable emulsions, effectively blending oil and water phases to prevent product separation, even under varying temperature conditions. It acts as a powerful solubilizer and dispersant, ensuring active ingredients and fragrances are uniformly distributed throughout aqueous formulations. On the skin, it contributes to a smooth, non-greasy texture, while also offering gentle cleansing properties and supporting the skin's moisture balance for enhanced softness and elasticity. Critically, it has been shown to improve the penetration and absorption of other beneficial ingredients, amplifying their efficacy.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data available suggests that Trilaureth-4 Phosphate is commonly associated with dusting during formulation or application.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Trilaureth-4 Phosphate demonstrates high stability across a broad pH range and resists degradation under typical conditions. It is particularly effective in formulations containing polar oils and UV filters, contributing to overall product integrity. This ingredient is cold-processable, allowing for room temperature integration without initial pH adjustments, though a post-mixing pH check, targeting 5.5-7.0, is recommended for optimal performance.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Low

Trilaureth-4 Phosphate is generally considered safe and well-tolerated in topical skin and hair care products, with no recorded serious side effects or allergic reactions at typical usage concentrations. Regulatory bodies, including European Cosmetics Regulations, approve its use. While the Cosmetic Ingredient Review (CIR) Expert Panel has evaluated the broader class of alkyl phosphates, a specific, detailed assessment for Trilaureth-4 Phosphate itself is not extensively documented in available summaries. The maximum concentration of 5% reflects a recommended usage for formulation stability rather than a strict safety limit, though sensitive individuals may experience irritation or allergic reactions, particularly at higher concentrations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Trilaureth-4 Phosphate is a valuable multifunctional ingredient, crucial for stabilizing complex formulations, enhancing product aesthetics, and indirectly supporting skin health through moisture maintenance and improved active ingredient absorption.

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