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TRILAURYL PHOSPHATE.

Valuable CAS 682-49-5 / PLASTICISER, SKIN CONDITIONING, SURFACTANT - CLEANSING

Trilauryl Phosphate, frequently referred to as Trilaureth-4 Phosphate, is a synthetic phosphate ester integral to skincare formulations. It stabilizes emulsions and enhances product texture, concurrently aiding the absorption of other active ingredients for improved skin tolerance and efficacy.

Summary

Emulsifying Surfactant/Cleansing Solubilizing Texture Enhancing Moisturizing Absorption Enhancing

Science

Mechanism of Action

This ingredient functions primarily as a synthetic surfactant and emulsifier, skillfully blending and stabilizing immiscible oil and water phases to maintain consistent product texture and provide a smooth, non-greasy finish. It also serves as a solubilizer, effectively incorporating other active components or fragrances into water-based systems. Beyond its formulation benefits, Trilauryl Phosphate exhibits mild cleansing properties and has been shown to potentially enhance the delivery of other actives into the skin, supporting moisture balance, softness, and elasticity.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Scientific literature indicates Trilauryl Phosphate contributes to improved product texture and enhanced skin tolerance in skincare applications.
  2. 02 Specific cosmetic compositions suggest a ratio of Trilaureth-4 Phosphate to resveratrol between 200:1 and 1:1, ideally 50:1 to 2:1, for potential skin whitening effects.

Transparency

Dusting Analysis

Not commonly dusted

There is no specific data to suggest that Trilauryl Phosphate is commonly 'dusted' or included at ineffective levels in formulations.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Trilaureth-4 Phosphate demonstrates robust stability across a broad pH spectrum, resisting degradation under typical conditions. Its emulsifying, solubilizing, and dispersing capabilities are maintained across this wide pH range.

Synergies

  • Resveratrol (for potential skin whitening, at specific ratios)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Trilauryl Phosphate, along with other alkyl phosphates, safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. While generally well-tolerated, sensitive individuals may experience irritation or allergic reactions, especially at elevated concentrations. Concerns regarding potential contamination from toxic impurities may influence its rating on platforms like EWG. No specific SCCS or FDA cosmetic status has been identified.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Trilauryl Phosphate is a valuable ingredient for optimizing product aesthetics and stability across a wide pH range, offering generally good skin compatibility for many skin types.

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