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DISODIUM LAURYL PHOSPHATE.

Valuable CAS 50957-96-5 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Disodium Lauryl Phosphate is an alkyl phosphate primarily functioning as a versatile surfactant, emulsifier, and wetting agent in cosmetic formulations. It effectively reduces surface tension to facilitate the blend of oil and water, while also serving as a buffering agent to maintain pH stability.

Summary

Surfactant Wetting Agent Emulsifier Buffering Agent

Science

Mechanism of Action

As an alkyl phosphate, Disodium Lauryl Phosphate acts by significantly lowering the surface tension of liquids, which is crucial for solubilizing oil-based impurities and allowing them to be rinsed away from the skin. Its emulsifying property enables the stable integration of immiscible liquids within a formulation. Additionally, it contributes to product integrity by buffering, helping to stabilize the pH of the cosmetic preparation.

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

While a specific optimal pH range for its inherent stability is not defined, Disodium Lauryl Phosphate actively contributes to maintaining the overall pH stability of cosmetic formulations due to its buffering capacity.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has determined Disodium Lauryl Phosphate to be safe for use in cosmetic applications, provided the final formulation is non-irritating. The Scientific Committee on Consumer Safety (SCCS) has not performed a specific review, and its listing in the FDA Global Substance Registration System does not imply pre-market approval for cosmetic use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Disodium Lauryl Phosphate is a valuable formulating agent, critical for creating stable emulsions and effective cleansers, with safety contingent on its incorporation into non-irritating final products.

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