Ingredient · Soothing Botanical
Houttuynia Cordata (Heartleaf)
INCI · Houttuynia Cordata Extract
Related names and forms: Heartleaf · Heartleaf Extract. This list does not indicate synonyms or exact ingredient matches.
Houttuynia cordata (INCI: Houttuynia Cordata Extract) is often known in Western markets as heartleaf, named for its heart-shaped leaves. With a long history of traditional use in East Asia, it has become prominent in soothing essences for sensitive, comfort-seeking skin through the recent K-beauty wave. Cosmetic assessment centres on two aspects: an antioxidant contribution from flavonoids such as quercetin and phenolic compounds, and a soothing ingredient in formulas addressing redness and a comfortable appearance. An important limit: houttuynia is a botanical extract, not one molecule, so it has no single chemical CID record and its contents vary with production and extraction conditions. Instead of common marketing claims that it solves skin problems, Klaris's assessment is measured: it contributes cosmetic comfort and a soothed appearance. A clinical skin condition should be assessed with a specialist, not a botanical extract. Heartleaf essences may contain very high proportions, but a high proportion alone does not mean greater effectiveness. The complete formula, accompanying ingredients such as niacinamide, centella and panthenol, and your Skin Identity matter.
i. Cosmetic Functions
Frequently Discussed Effects
The following headings summarise areas of effect frequently discussed in the literature; visible results in each area require regular use and a suitable formula.
A Soothed Appearance
A soothing ingredient often chosen for sensitive skin in formulas addressing redness and a comfortable appearance.
Antioxidant Context
Its flavonoids, including quercetin, also place it in an antioxidant context against environmental stress.
Sebum and Comfort Appearance
Its light texture is associated with claims of a comfortable surface-oil appearance in oily- and combination-prone skin.
Mechanism
What Happens Within the Skin?
The following points summarise mechanisms from dermocosmetic literature in plain English. Klaris presents them as background information to help readers understand the context, not as medical claims.
Step 1
Heart-Leaved Botanical Extract
An aqueous or glycol extract of Houttuynia cordata. As a whole extract rather than one molecule, it has no single CID.
Step 2
Flavonoid and Quercetin Context
Its quercetin and other flavonoids are assessed in the context of antioxidant properties and a soothed appearance.
Step 3
Comfort, Not Treatment
Effects concern a cosmetically soothed appearance. A clinical condition requires specialist assessment.
ii. Role in the Formula
How Is It Read on a Label?
Houttuynia cordata extract (INCI: Houttuynia Cordata Extract) is an aqueous or glycol extract of this heart-leaved plant, containing quercetin, other flavonoids and phenolic compounds. As a botanical extract rather than a molecule, it has no single CID. It appears in essences, toners, serums and masks, particularly in K-beauty, for a soothed appearance, sometimes making up a large proportion of essence formulas. It is usually combined with comfort ingredients such as niacinamide, centella and panthenol.
Typical Concentration Range
1% - 75% (including very high proportions in essence formats)
Ingredient Family
Soothing Ingredients
iii. Sensitivity Advisory
A Note on Extra Care in Context
Houttuynia cordata is a generally well-tolerated botanical extract discussed in a soothing context. Like any botanical extract, it may still trigger plant-related sensitivity in some sensitive skin. A measured approach considers it a contribution to comfort and a soothed appearance, not a transformation promise.
A sensitivity advisory is not an instruction for use; where individual health circumstances, pregnancy or known sensitivities are involved, discussing the decision with your doctor may be a more contextual approach.
Scientific Basis
Sources and Their Scope
The following headings indicate areas of research; they are not citations of a specific publication or confirmation that every statement on this page has been verified. The links provided should be read with their individual scope in mind.
- International INCI / CosIng database
- Dermocosmetic research publications
- Literature evaluating sensitive profiles
Starting Points for Independent Research
These links lead to official databases and serve as starting points for searches.
iv. Related Ingredients
Ingredients Often Read Together
v. Soothing Ingredients Family
Other Ingredients in the Same Family
Explore ingredients in the same functional family to deepen your reading of formulas.
vi. Academy · Related Reading
For a Closer Look
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Klaris · Example Analyses
How Does Houttuynia Cordata (Heartleaf) Feature
in Your Products?
Explore product examples to see the ingredient list, general assessment and match score that changes with the example profile together.
Masked products and example profiles, not a personal analysis. Profile matching in the app is part of Klaris Premium. The app is currently available in Turkish. An English version is in preparation.