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Moumoujus

TRICETETH-5 PHOSPHATE.

Valuable / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Triceteth-5 Phosphate functions as a versatile emulsifying agent and surfactant in skincare formulations, enabling the stable combination of oil and water phases. It concurrently enhances product spreadability, foaming characteristics, and overall texture, contributing to a refined sensory experience.

Summary

emulsifying surfactant dispersing agent texture enhancer

Science

Mechanism of Action

This ingredient primarily operates by reducing the interfacial tension between immiscible liquids, thereby stabilizing oil-in-water or water-in-oil emulsions. As a surfactant, it lowers the surface tension of a product, which is critical for effective cleansing, promoting foam formation, and ensuring an even application. Furthermore, it aids in the uniform dispersion of pigments, UV filters, and other active ingredients, while imparting a desirable creamy, non-greasy feel to the final product.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Triceteth-5 Phosphate is a functional ingredient critical for formulation stability and texture, not typically marketed for direct skin benefits that could lead to 'dusting'.

The Formula

Formulation

Solubility
Both
Optimal pH 3 – 9
0 7 14

Stability

Triceteth-5 Phosphate demonstrates robust emulsifying, solubilizing, and dispersing capabilities across a broad pH range of 3 to 9. Its solubility in water is variable, generally increasing with higher degrees of ethoxylation. Supplied as a wax-like to solid material, it contributes to the structural integrity of cosmetic formulations at room temperature.

Conflicts

  • Raw, undiluted, or highly concentrated forms can induce skin irritation and rashes.
  • High-purity sourcing is paramount to mitigate risks from potential carcinogenic impurities arising from ethoxylation processes.
  • Compatibility in ethanol-containing systems is limited, typically tolerating up to 5% ethanol concentration (based on a structurally similar compound, Triceteareth-4 Phosphate).
  • Tolerance for electrolytes is limited, with optimal stability up to 1.0% sodium chloride concentration (based on Triceteareth-4 Phosphate).

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed 28 alkyl phosphates, including Triceteth-5 Phosphate, safe for use in cosmetics when formulated to be non-irritating. While no specific maximum concentration is defined for Triceteth-5 Phosphate directly, related alkyl phosphates have been found non-irritating/non-sensitizing at concentrations up to 5% (C20-22 alkyl phosphate) and 1% (dicetyl phosphate). Avoiding undiluted or highly concentrated forms is essential to prevent irritation. Due to potential carcinogenic impurities from ethoxylation, high-purity sourcing is a critical safety consideration.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Triceteth-5 Phosphate is a valuable ingredient, critical for formulating stable and cosmetically elegant products across a wide pH range, with a low risk of irritation when used appropriately.

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