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POLYGLYCERYL-2 DIOLEATE.

Valuable CAS 67965-56-4 / 60219-68-3 / FILM FORMING

Polyglyceryl-2 Dioleate is a versatile ingredient primarily recognized for its emulsifying capabilities, allowing for the stable combination of oil and water phases. It also functions effectively as a skin conditioner and emollient, enhancing skin hydration and promoting a smoother, more supple feel.

Summary

Emulsifier Emollient Skin Conditioner

Science

Mechanism of Action

This ingredient primarily acts as a water-in-oil (W/O) emulsifier, facilitating the creation and stabilization of cosmetic formulations by blending immiscible liquids. On the skin, it forms a subtle film that helps to prevent transepidermal water loss (TEWL) and attract environmental moisture, thereby boosting hydration and maintaining skin suppleness. It additionally contributes to improved product texture and spreadability, and may support the enhanced penetration of other active ingredients.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Formulations containing Polyglyceryl-2 Oleate, a chemically similar polyglyceryl ester, have demonstrated a reduction in transepidermal water loss (TEWL) and an increase in skin hydration immediately following application, with effects enduring for at least 10 hours. These formulations were also shown to be non-irritating in reconstructed human epidermis models.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Polyglyceryl-2 Oleate, a closely related compound, is known to create highly stable water-in-oil (W/O) emulsions that exhibit excellent heat and cold stability. Formulations utilizing this ingredient maintained good stability over a 6-month period under various conditions including room temperature, 4 °C, and 40 °C. Polyglyceryl-2 Dioleate maintains a neutral pH.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel assessed Polyglyceryl-2 Dioleate as part of a comprehensive evaluation of 274 polyglyceryl fatty acid esters, concluding that these ingredients are safe for use in cosmetics when properly formulated to be non-irritating. It generally exhibits a low hazard rating (e.g., EWG typically 1) with minimal concerns regarding irritation, sensitization, or systemic toxicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Polyglyceryl-2 Dioleate is a valuable ingredient, essential for stable water-in-oil formulations, while also providing significant emollient and hydration benefits with a low risk of irritation across all skin types.

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