Emulsifier

Avocado Oil PEG-8 Esters

INCI: AVOCADO OIL PEG-8 ESTERS

Reviewed by Rosie · Last updated 2 Jun 2026

Also known as: Avocado Oil Peg-8 Esters

A modified plant oil that conditions skin whilst helping formulations blend

Best For Skin Types

All, Dry, Combination, Sensitive

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Avocado Oil PEG-8 Esters?

Avocado oil PEG-8 esters is a processed form of avocado oil, created by chemically combining the oil with polyethylene glycol (PEG). This modification makes the ingredient water-soluble, which distinguishes it from standard avocado oil and allows it to work effectively in a broader range of skincare formulations.

In products, this ingredient serves multiple functions. It acts as an emollient to soften and condition the skin, while simultaneously helping to stabilise and blend oil and water-based components within a formula, acting as an emulsifier and mild surfactant.

How It Works

The PEG modification allows avocado oil to dissolve in water-based systems, giving it a dual affinity for both oily and aqueous components. This makes it useful in lightweight lotions and serums that would otherwise separate.

When applied to skin, the avocado oil component provides a light conditioning layer, whilst the emulsifying properties help the product spread evenly and absorb more effectively than unmodified oils might.

Clinical Evidence & References

Research specific to this modified form is limited. However, avocado oil itself is recognised as a source of fatty acids and phytosterols with mild skin-conditioning properties. The PEG-8 modification primarily serves a functional role in formulation rather than adding additional therapeutic benefits beyond what the base oil provides.

Most of the evidence supporting use in skincare relates to general avocado oil benefits rather than this specific esterified version. Tolerability appears to be good across skin types, though data on long-term efficacy is sparse.

How to Use

This ingredient is typically used within finished formulations rather than as a standalone treatment. It works well in lightweight moisturisers, serums, and micellar cleansing solutions. Because it aids emulsification, products containing it tend to have a pleasant, well-blended texture that absorbs smoothly.

Safety & Precautions

Generally well-tolerated. Those with avocado sensitivity should check ingredient lists, though reactions are uncommon. The PEG modification may slightly reduce the likelihood of reactions compared to unmodified avocado oil.

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