Skin Conditioning

Polyglyceryl-10 Oleate

INCI: POLYGLYCERYL-10 OLEATE

Reviewed by Rosie · Last updated 14 Aug 2026

Also known as: Polyglyceryl-10 Oleate

A plant-derived emollient and skin conditioner that helps smooth and soften the skin barrier

Best For Skin Types

All, Dry, Combination, Sensitive

Addresses

Dryness, Barrier repair

Usage Frequency

Daily

What Is Polyglyceryl-10 Oleate?

Polyglyceryl-10 Oleate is a mild emulsifier and skin-conditioning agent derived from plant oils, most commonly oleic acid (found in olive oil and other vegetable sources). It belongs to a class of ingredients called polyglyceryl esters, which are created by combining glycerin with fatty acids through a chemical process.

In skincare formulations, it functions primarily as an emollient—a substance that helps bind water to the skin and creates a smooth, conditioned feel. It also helps stabilise emulsions, allowing oil and water-based ingredients to mix effectively.

How It Works

Polyglyceryl-10 Oleate works through two primary mechanisms. First, as an emollient, it penetrates slightly into the outer layers of the skin and coats the surface, reducing transepidermal water loss and helping skin feel softer. Second, its emulsifying properties allow it to bind hydrophilic (water-loving) and lipophilic (oil-loving) ingredients together, which stabilises the formula and improves texture.

Because it is derived from plant oils and is relatively gentle, it does not typically trigger irritation in most skin types, though individual sensitivities vary.

Clinical Evidence & References

Limited clinical research specifically isolates Polyglyceryl-10 Oleate, as it is often used as a minor ingredient in complex formulations rather than studied alone. However, polyglyceryl esters as a class are well-established in cosmetic chemistry and are widely regarded as safe and effective skin-conditioning agents.

Oleic acid itself has been studied for its emollient properties, and the evidence supports its role in supporting skin hydration and barrier function. The ingredient is approved for cosmetic use in the EU and is considered a low-risk ingredient from a tolerability standpoint, though formulatory context and concentration matter.

How to Use

Polyglyceryl-10 Oleate is typically found in low concentrations within products such as moisturisers, cleansers, and serums, so there are no specific application instructions—simply use the product as directed. If you are introducing a new formula containing this ingredient, patch-test first if you have a history of sensitivity to plant oils or emulsifiers.

Safety & Precautions

Generally well-tolerated across most skin types. Those with sensitivities to oleic acid or plant-derived ingredients should perform a patch test. It is not known to pose safety concerns at typical cosmetic concentrations.

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