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PEG-3 DICAPRYLATE/CAPRATE.

Valuable / SURFACTANT - EMULSIFYING

PEG-3 DICAPRYLATE/CAPRATE is a versatile polyethylene glycol derivative, primarily functioning as an emulsifying surfactant to stabilize oil-in-water formulations. It also acts as an effective solubilizer for various cosmetic ingredients and contributes to improved skin hydration.

Summary

Emollient Solvent Emulsifying

Science

Mechanism of Action

This ingredient functions as an emulsifying surfactant by reducing the interfacial tension between typically incompatible substances, such as oil and water, thereby forming stable emulsions. As a PEG derivative, it enhances skin tolerance and serves as a solubilizer and solvent for active compounds, perfume oils, and colorants. Furthermore, PEGs can augment skin moisture balance by forming hydrogen bonds with water molecules, consequently diminishing transepidermal water loss.

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

Expected to be liquid, consistent with polyethylene glycols having a mean molar mass up to 600 g/mol, offering a broad spectrum of viscosity and solubility properties suitable for diverse formulations.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deemed PEG-3 DICAPRYLATE/CAPRATE safe for use in cosmetics when formulated to be non-irritating. General toxicity studies for PEGs indicate low oral and dermal toxicity, with minimal irritation and no sensitization observed on intact human skin. However, it is crucial to note that sensitization and nephrotoxicity have been documented in burn patients treated with PEG-based creams, leading to a recommendation against its application on damaged skin. While not listed in the EU CosIng database, in the US, cosmetic ingredients do not require pre-market FDA approval, with manufacturers responsible for safety assurance.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-3 DICAPRYLATE/CAPRATE is a valuable multi-functional ingredient, effectively stabilizing emulsions and solubilizing actives, while demonstrating a good safety profile for intact skin.

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