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PEG-20 GLYCERYL LAURATE.

Valuable CAS 59070-56-3 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-20 Glyceryl Laurate is a non-ionic surfactant and emulsifier derived from lauric acid and ethoxylated glycerin. It is expertly utilized to facilitate the blending of oil and water phases, stabilize emulsions, and enhance the cleansing efficacy of cosmetic formulations.

Summary

Emulsifying Surfactant Solubilizing agent Skin-conditioning agent Moisturizing agent Consistency enhancer

Science

Mechanism of Action

This ingredient functions by significantly lowering the surface tension between immiscible liquids, thereby enabling oil and water components to stably integrate into homogeneous emulsions. Furthermore, it acts as a solubilizing agent for various active ingredients, perfume oils, and colorants, aids in effective skin cleansing by assisting in the removal of oil and dirt, and provides conditioning and moisturizing benefits to the skin. It can also contribute to product consistency.

Research

Clinical Evidence

High confidence
Effective range ≤25%
Optimal

N/A

Key findings

  1. 01 The CIR Expert Panel concluded PEG-20 Laurate (and related PEG dilaurates/laurates) is safe for cosmetic application at concentrations up to 25%, provided it is formulated to be non-irritating.
  2. 02 Topical studies on intact skin found no evidence of systemic toxicity or sensitization, despite oral feeding studies in rats at concentrations of 5% to 25% indicating gastrointestinal irritation.

Transparency

Dusting Analysis

Not commonly dusted

While concerns exist regarding potential impurities like 1,4-dioxane and unreacted ethylene oxide, these are mitigated by stringent purification procedures during manufacturing rather than indicating an inherent dusting issue with the ingredient itself.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

As a polyoxyethylene (PEG) derivative, its physical state, ranging from liquid to wax-like, and its water solubility can vary inversely with increasing molar mass. Some PEGs may be susceptible to autoxidation, leading to peroxide formation. It exhibits good skin tolerability and is not prone to microbiological instability.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed its safety for cosmetic use at concentrations up to 25%, contingent on non-irritating formulation. Manufacturers must employ appropriate purification methods to eliminate potential residues such as 1,4-dioxane and unreacted ethylene oxide, which are by-products of the ethoxylation process. Although high oral doses in rat studies caused gastrointestinal irritation, topical application on intact skin showed no evidence of systemic toxicity or skin sensitization. Related PEG Dilaurate ingredients have received FDA approval for use in indirect food contact materials.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-20 Glyceryl Laurate is a valuable and versatile ingredient, providing essential emulsifying and cleansing properties, and is considered safe for topical use up to 25% when properly purified and formulated.

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