What is heartleaf good for in skincare?

It is used to calm redness, soothe irritation, and support blemish-prone skin, owing to its antioxidant and anti-inflammatory flavonoid content.

Is heartleaf the same as houttuynia cordata?

Yes, heartleaf is the common name for Houttuynia cordata, a plant used in Korean skincare and traditional East Asian medicine.

Is heartleaf good for acne-prone skin?

Yes, it is commonly formulated for acne-prone and reactive skin due to its calming and antibacterial-associated properties.

Can heartleaf be combined with centella asiatica?

Yes, the two are frequently paired in soothing formulations for layered redness and irritation relief.

Is heartleaf safe during pregnancy?

Topical use is generally considered lower-risk, but dedicated pregnancy safety data is limited, so caution is advised.

Heartleaf (Houttuynia) — Ingredient Guide

How it works

Heartleaf, botanically Houttuynia cordata, is a plant long used in traditional East Asian medicine and now widely formulated in Korean skincare. Its extract contains flavonoids, including quercitrin and related compounds, credited with antioxidant and anti-inflammatory activity. In skincare, it is proposed to calm visible redness, reduce the appearance of blemish-related inflammation, and support a more balanced, less reactive skin surface, particularly in formulations targeting oily, breakout-prone areas.

The evidence

Laboratory research has demonstrated antioxidant, antibacterial, and anti-inflammatory activity for Houttuynia cordata extract, lending mechanistic plausibility to its soothing reputation. Clinical trials specifically evaluating topical cosmetic formulations are fewer in number and smaller in scale than for ingredients like centella asiatica, with much of its popularity driven by widespread use in Korean skincare rather than a deep independent clinical record. Preliminary findings are consistent with a calming, redness-reducing effect, but robust head-to-head data against established soothing agents is limited, and consumers should weigh its strong traditional reputation against a comparatively thin independent clinical record.

Suitability

Generally well suited to sensitive, reactive, and acne-prone skin due to its calming, lightweight profile and low irritation potential. It is commonly found in toners, essences, and spot treatments aimed at blemish-prone skin, and is often positioned as an alternative to harsher acne actives for those who cannot tolerate them.

Concentration

No standardized effective percentage exists in clinical literature; concentration varies by formulation, from featured extract in dedicated heartleaf lines to supporting-ingredient levels in broader soothing products. Leave-on toners and essences typically list it high on the ingredient list when it is the star ingredient.

Conflicts & combinations

Pairs well with other soothing botanicals such as centella asiatica, madecassoside, calendula, and chamomile for layered redness relief, and with panthenol or niacinamide for barrier and tone support. No known conflicts with acids, retinoids, or antioxidants, making it a low-risk addition to routines already containing active ingredients.

Traditional East Asian medicinal plant, popularized via Korean skincare
Antioxidant and anti-inflammatory flavonoid content
Commonly used for redness and blemish-prone skin