Antioxidant

Actinidia Chinensis (Kiwi) Fruit Extract

Reviewed by Rosie · Last updated 14 Aug 2026

Also known as: Actinidia Chinensis Fruit Extract

Excellent source of antioxidants Defends against effect of pollutants

Best For Skin Types

All skin types

Usage Frequency

As directed on product packaging

What Is Actinidia Chinensis (Kiwi) Fruit Extract?

Actinidia chinensis fruit extract is derived from kiwifruit and contains polysaccharides — naturally occurring carbohydrate compounds found within the fruit's tissues. In skincare formulations, these polysaccharides function as an emollient and skin conditioning agent, helping to soften the skin surface and support the skin's natural moisture barrier.

The extract also contains ascorbic acid (vitamin C) and other plant compounds, though the concentration and bioavailability of these components in cosmetic products can vary depending on extraction and processing methods.

How It Works

The polysaccharides in kiwifruit appear to interact with cell receptors and energy-production pathways in skin cells (keratinocytes and fibroblasts). Research conducted in controlled laboratory settings has shown these compounds may stimulate cell proliferation and mitochondrial activity — essentially encouraging skin cells to function more actively — whilst also supporting collagen synthesis, a protein essential for skin structure and elasticity.

As an emollient, the extract also forms a protective layer on the skin surface, helping to reduce transepidermal water loss and maintain hydration. However, most evidence for these mechanisms comes from cell cultures and laboratory models rather than clinical studies on living skin.

Clinical Evidence & References

Laboratory research demonstrates that kiwifruit polysaccharides can stimulate human skin cell growth by approximately 30% and boost mitochondrial activity by around 25% in controlled in vitro conditions. These findings suggest potential for supporting skin cell health and renewal. The extract also shows some antibacterial activity in laboratory testing, though this property has not been extensively studied in clinical skincare applications.

The evidence base remains limited to laboratory studies and does not yet include large-scale clinical trials on human volunteers. Whilst the findings are promising, we cannot yet confirm how effectively these benefits translate to real-world skincare use or whether these effects persist with regular application over time.

How to Use

Kiwifruit extract is typically found in serums, moisturisers, and hydrating products at concentrations ranging from 1% to 57%, though exact percentages vary by formulation. It can generally be used daily as part of your regular skincare routine. If you have sensitive skin or are introducing a new product, patch test first to ensure compatibility. The ingredient works well alongside other hydrating or nourishing ingredients and does not require any special application technique.

Safety & Precautions

Actinidia chinensis fruit extract is generally well-tolerated and considered safe for cosmetic use. As it is derived from kiwifruit — a known allergen — those with kiwifruit allergies should avoid products containing this ingredient.

Frequently Asked Questions

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Part of a family

Actinidia Chinensis (Kiwi) Fruit Extract is a variant of Actinidia Chinensis Seed, the form you will most often see on an ingredients list.

Seed particles from kiwifruit that gently exfoliate and condition the skin

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