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PEG-16 DILAURATE.

Valuable CAS 9005-02-1 / SURFACTANT - EMULSIFYING

PEG-16 DILAURATE is a polyoxyethylene derivative of lauric acid, functioning primarily as an emulsifying surfactant and thickening agent. It facilitates the stable blending of oil and water phases, enhances cleansing efficacy, and may contribute to skin hydration by retaining moisture.

Summary

Emulsifying Surfactant Thickening Humectant

Science

Mechanism of Action

This ingredient operates by reducing the surface tension between immiscible oil and water phases, thereby forming and stabilizing emulsions critical for product integrity. As a surfactant, it aids in the dispersion and removal of oils and dirt from the skin and hair. Furthermore, as a PEG derivative, it exhibits humectant properties, drawing and retaining moisture to support skin 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 4.5 – 7.5
0 7 14

Stability

The optimal pH range of 4.5-7.5 is indicated for related PEG Dilaurates. Unbuffered PEG solutions can exhibit acidity.

Conflicts

  • Must undergo purification to eliminate harmful impurities such as 1,4-dioxane and ethylene oxide.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Moderate

The CIR Expert Panel deems PEG-16 DILAURATE safe for cosmetic use up to 25%, contingent on the formulation being non-irritating and free from impurities like 1,4-dioxane and ethylene oxide. While generally minimally irritating to intact skin, concerns exist regarding moderate sensitization risk (EWG) and observed nephrotoxicity/sensitization in burn patients treated with PEG-based creams.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Low
Comedogenicity Medium

Our Assessment

Verdict

Valuable

PEG-16 DILAURATE is a valuable multifunctional ingredient for emulsion stability and cleansing, provided it is rigorously purified to remove toxic impurities and formulated within established safety limits.

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