Science
Mechanism of Action
This ingredient primarily acts as an emulsifier by significantly reducing the interfacial tension between immiscible oil and water components, thereby creating stable and uniform product textures. Concurrently, it serves as a conditioning agent, imparting a soft and smooth tactile sensation to the skin and hair. As a polyethylene glycol (PEG) derivative, it also functions as a humectant, forming hydrogen bonds with water molecules to enhance the skin's moisture retention capacity and minimize transepidermal water loss, contributing to long-term hydration.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 The Cosmetic Ingredient Review (CIR) Expert Panel concluded PEG Dilaurate and PEG Laurate ingredients, including PEG-12 Dilaurate, are safe for cosmetic use up to 25% when formulated to be non-irritating.
- 02 Industry recommendations suggest an optimal use level between 1% and 5% for its emulsifying and conditioning benefits in skin and hair care emulsions.
Transparency
Dusting Analysis
The provided research does not indicate that PEG-12 Dilaurate is commonly associated with 'dusting' or specific dusting thresholds in formulation.
The Formula
Formulation
Stability
PEG-12 Dilaurate is instrumental in enhancing emulsion stability and refining product texture by facilitating the blending of oil and water-based ingredients. While direct pH stability data for PEG-12 Dilaurate was not identified, a related ingredient, PEG-12 Laurate, maintains stability in a 5% aqueous solution within a pH range of 5.0-7.0.
Safety
Safety Profile
The CIR Expert Panel affirmed PEG-12 Dilaurate's safety for cosmetic use at concentrations up to 25%, provided the final formulation is non-irritating on intact skin. Although some polyethylene glycols have been implicated in kidney toxicity and sensitization in burn patients with severely compromised skin, studies on healthy, intact skin have not indicated systemic toxicity or sensitization. Trace amounts of 1,4-dioxane, a byproduct of the ethoxylation process, are controlled through purification steps as regulated by the FDA. The caution against using PEGs on damaged skin was removed by the CIR Panel in 2016.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-12 Dilaurate is a valuable ingredient for its robust emulsifying capabilities, conditioning benefits, and mild hydrating properties, making it beneficial for a range of skin and hair care formulations.
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