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Moumoujus

LAURETH-8 PHOSPHATE.

Valuable CAS 39464-66-9 / CLEANSING, SURFACTANT - CLEANSING

LAURETH-8 PHOSPHATE is a multifaceted ingredient functioning primarily as a surfactant and emulsifier, essential for creating stable cosmetic formulations by enabling the uniform dispersion of immiscible substances like oil and water. It facilitates effective cleansing and aids in the dissolution of ingredients, with potential to enhance the penetration of other active compounds and support skin moisture retention.

Summary

surfactant emulsifier cleansing solubilizer

Science

Mechanism of Action

This ingredient operates by significantly lowering the surface tension between different phases within a formulation, allowing otherwise incompatible ingredients (e.g., oils and water) to combine and form stable emulsions. Its surfactant properties also contribute to efficient cleansing by lifting impurities from the skin. Furthermore, LAURETH-8 PHOSPHATE can act as a solubilizer for ingredients that would typically be insoluble, and as a Laureth derivative, it may improve the delivery of other beneficial actives into the skin while potentially assisting in maintaining hydration.

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

Stability

LAURETH-8 PHOSPHATE is generally stable under standard storage conditions, exhibiting no decomposition when stored appropriately. To maintain its integrity, avoid exposure to extreme temperatures such as frost or excessive heat, and protect from direct sunlight. A related compound, Laureth-4 Phosphate, demonstrates resistance to alkaline environments, suggesting similar robust stability for this class of ingredients.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Laureth ingredients, including the base alcohol ether Laureth-8, and alkyl phosphates (the class LAURETH-8 PHOSPHATE belongs to) safe for cosmetic use, provided they are formulated to be non-irritating. These compounds can elicit skin irritation if not properly formulated. The ethoxylation process used in its production may result in trace amounts of 1,4-dioxane; however, this impurity can be controlled through purification. No specific SCCS opinion for LAURETH-8 PHOSPHATE was found. While its FDA status is listed as 'incomplete definition' and 'FAILED' in GSRS, this does not conclusively indicate an unsafe status for cosmetic applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

LAURETH-8 PHOSPHATE is a valuable ingredient for formulation stability and effective cleansing, especially when incorporated at concentrations formulated to be non-irritating, although its use in sensitive skin types requires careful consideration due to its 'sensitive: false' rating.

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