Antioxidant

Sodium Grape Seed Extract Phosphate

INCI: SODIUM GRAPE SEED EXTRACT PHOSPHATE

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Sodium Grape Seed Extract Phosphate

A phosphorylated grape extract that provides antioxidant support to skin

Best For Skin Types

All

Addresses

Free radical damage, Environmental ageing, Skin conditioning

Usage Frequency

Daily

What Is Sodium Grape Seed Extract Phosphate?

Sodium Grape Seed Extract Phosphate is a modified form of grape seed extract, a plant-derived ingredient rich in polyphenols and proanthocyanidins. The phosphate modification enhances its stability and absorption characteristics in skincare formulations, making it a more effective delivery form than standard grape extract.

In skincare, this ingredient functions primarily as an antioxidant and skin conditioning agent. It helps neutralise free radicals that can contribute to skin damage and ageing, whilst also providing mild conditioning benefits to support skin texture and resilience.

Benefits for Your Skin

How It Works

Grape seed extract contains powerful polyphenolic compounds that act as antioxidants. When applied topically, these molecules donate electrons to neutralise free radicals — unpaired atoms that can damage skin cells and accelerate visible signs of ageing. The phosphate form improves the ingredient's stability in formulations and may enhance penetration.

By reducing oxidative stress, the ingredient supports the skin's natural resilience and helps maintain barrier function, which in turn contributes to a more comfortable, conditioned skin surface.

Clinical Evidence & References

Grape seed extract is well-established in skincare science for its antioxidant properties, with numerous studies confirming the efficacy of grape polyphenols in neutralising free radicals. However, specific research on the phosphorylated form (Sodium Grape Seed Extract Phosphate) is limited, so most evidence derives from broader grape extract studies.

Available data suggests the ingredient is effective as an antioxidant, though comparative studies examining how the phosphate modification affects performance relative to unmodified grape seed extract are not widely available. For most skincare applications, it functions as a supportive antioxidant rather than a primary active ingredient.

How to Use

This ingredient is typically found in serums, moisturisers and targeted treatments. Since it functions as a general antioxidant support rather than a corrective active, it works well layered with other skincare steps. It's particularly useful as part of a daily routine to provide background protection against environmental stressors. No specific usage restrictions apply, and it integrates well with most other skincare ingredients.

Safety & Precautions

Sodium Grape Seed Extract Phosphate is generally well-tolerated across skin types. Individuals with grape allergies should avoid products containing this ingredient.

Frequently Asked Questions

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