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Moumoujus

LAURYL PHOSPHATE.

Valuable CAS 12751-23-4 / SURFACTANT - EMULSIFYING

Lauryl Phosphate functions as a mild anionic surfactant and emulsifier in skincare formulations. It effectively cleanses by breaking down and removing impurities, simultaneously conditioning the skin to promote a smooth and hydrated feel. Its emulsifying properties also ensure product stability and uniform texture.

Summary

emulsifying surfactant cleansing skin-conditioning

Science

Mechanism of Action

Lauryl Phosphate primarily acts as a mild anionic surfactant, efficiently reducing surface tension to lift and remove dirt, excess sebum, and other environmental debris from the skin's surface. It concurrently serves as an emulsifier, stabilizing the blend of oil and water components within a product. Beyond its cleansing and emulsifying actions, it imparts a skin-conditioning effect, contributing to a smoother and more hydrated feel post-application, thus counteracting potential dryness.

Research

Clinical Evidence

Insufficient-data 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

Lauryl Phosphate exhibits robust acid resistance, maintaining over 90% stability when stored at pH 2 for 12 months. It also demonstrates long-term stability in neutral or slightly acidic conditions. The ingredient can be supplied and formulated either unneutralized or neutralized as per specific product requirements.

Conflicts

  • Demonstrates slightly reduced resistance to hard water compared to some other anionic surfactants. Optimal performance in hard water may necessitate the inclusion of hard water resistant agents (e.g., EDTA) or other resilient surfactants (e.g., sulfobetaine) within the formulation.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Lauryl Phosphate, and related alkyl phosphates, are safe for use in cosmetic applications when formulated to be non-irritating. While raw, highly concentrated forms have shown potential for skin and serious eye irritation in animal tests (e.g., a 10% solution), these studies involved concentrations significantly higher than those typically used in cosmetic products. Properly formulated cosmetic applications are considered to have low irritation potential. No specific FDA status or SCCS opinion was found for this ingredient.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Lauryl Phosphate is a valuable, mild, and versatile ingredient, providing effective cleansing and emulsification while enhancing post-application skin feel, making it suitable across all skin types.

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