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PEG-7 CAPRYLIC/CAPRIC GLYCERIDES.

Valuable CAS - / SURFACTANT - EMULSIFYING

PEG-7 Caprylic/Capric Glycerides is a highly adaptable ethoxylated ester, expertly formulated from caprylic/capric fatty acids and glycerin. It delivers multi-functional performance as a gentle emollient, mild surfactant, effective solubilizer, and reliable emulsifier in skincare formulations.

Summary

emulsifying solubilizer emollient surfactant conditioning agent dispersing agent

Science

Mechanism of Action

On the skin, PEG-7 Caprylic/Capric Glycerides acts as an emollient by forming a subtle, protective film that minimizes transepidermal water loss, thereby enhancing skin hydration and supporting a robust skin barrier. Its mild surfactant properties enable it to efficiently dissolve oils and impurities, making it ideal for cleansing formulations, including the formation of micelles in micellar waters. Due to its unique ethoxylated structure, it exhibits both partial water solubility and strong lipid compatibility, allowing it to effectively solubilize oil-soluble active ingredients within aqueous systems. Furthermore, it functions as an emulsifier, stabilizing oil-in-water mixtures, and acts as a conditioning agent to promote a smoother skin feel and aid in pigment dispersion for uniform product application.

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 N/A
0 7 14

Stability

This ingredient contributes to overall formulation stability, notably enhancing the stability of active components in water-based serum applications.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined PEG-7 Caprylic/Capric Glycerides to be safe for cosmetic use at current concentrations (up to 10%) when formulated to be non-irritating. While generally well-tolerated, it may induce mild irritation in individuals with highly sensitive or compromised skin. Consistent use of multiple products containing PEG compounds or their presence in higher concentrations could potentially lead to cumulative irritation. A critical consideration is the potential for 1,4-dioxane formation during the ethoxylation process; therefore, sourcing from reputable manufacturers who rigorously test for and minimize this by-product is essential. It may also subtly increase skin permeability. This ingredient is globally approved for cosmetic applications, provided it adheres to purification standards.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-7 Caprylic/Capric Glycerides is a valuable, multi-functional ingredient offering effective cleansing, solubilizing, and skin-conditioning properties with a low risk of irritation and comedogenicity, suitable for a wide range of skin types and formulations.

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