Antioxidant

Houttuynia Cordata Flower … Water

INCI: HOUTTUYNIA CORDATA FLOWER/LEAF/STEM WATER

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Houttuynia Cordata Flower/leaf/stem Water

A plant extract with purifying and antioxidant properties for balanced, clearer skin

Best For Skin Types

All, Oily, Combination, Acne-prone

Addresses

Acne, Oil control, Redness, Sensitivity

Effective Concentrations

6–77%

Usage Frequency

Daily

What Is Houttuynia Cordata Flower … Water?

Houttuynia cordata is a perennial plant native to East Asia, commonly used in traditional medicine. In skincare, the flower, leaf and stem are processed into a water extract—a liquid ingredient that contains the plant's active compounds.

This extract functions primarily as an antimicrobial and antioxidant agent. It helps protect skin from environmental stressors and may help manage bacterial growth on the skin surface, making it a useful addition to products designed for oily or congestion-prone skin.

Benefits for Your Skin

How It Works

The extract works through two main mechanisms. Its antimicrobial compounds inhibit bacterial growth on the skin surface, which can help reduce conditions favouring congestion. Simultaneously, antioxidant compounds neutralise free radicals—unstable molecules generated by UV exposure and pollution—that can accelerate skin ageing and inflammation.

As a water extract, it also functions as a humectant, drawing moisture into the skin and supporting the skin barrier's hydration level.

Clinical Evidence & References

Houttuynia cordata has a long history in traditional Asian skincare, and laboratory studies have confirmed its antimicrobial and antioxidant properties. However, clinical evidence specifically evaluating its efficacy in skincare formulations remains limited. Most available data comes from in vitro (test tube) studies rather than controlled human trials.

Its inclusion in skincare products is generally supported by its established antimicrobial and antioxidant activity, but individual results will depend on concentration, formulation, and skin type. Further human studies would help clarify its practical benefits for different skin concerns.

How to Use

Houttuynia cordata water is typically found in toners, essences, and serums at concentrations between 6% and 77%, depending on the product type. For best results, use consistently as part of your routine—either daily or as recommended by the product label. It works well in layered routines, particularly before heavier serums or moisturisers, and pairs well with other antioxidant or clarifying ingredients.

Safety & Precautions

Houttuynia cordata extract is generally well-tolerated across skin types. Rarely, sensitive individuals may experience mild irritation; if this occurs, reduce frequency or discontinue use.

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Houttuynia Cordata Flower/Leaf/Stem Water is a variant of Houttuynia Cordata Water, the form you will most often see on an ingredients list.

A plant water extract with antioxidant and purifying properties for balanced skincare

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