Blanc Nature 9x Concentrated Heartleaf Toner
Ingredients and claims, checked
Last checked September 6, 2026
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What is it like at a glance?
What is this product?
- What to expect
- It's made for clearer-looking skin and better barrier support.
- Key ingredients
- Houttuynia Cordata Extract 10%, Niacinamide, Adenosine
- When
- Morning and evening
A watery toner made with houttuynia and niacinamide. It comes in a 300 ml size.
Who is it for?
Less suited to
- Sensitive skin
- Very dry skin that needs a heavy, sealing moisturizer
What's good, and what to watch for?
Good points
- Contains Houttuynia Cordata Extract 10%
- Houttuynia Cordata Extract and Madecassoside calm the skin
- Salicylic Acid and Gluconolactone smooth away dead skin
Watch-outs
- Pregnancy: check first (Salicylic Acid)
- Contains essential oil (Melaleuca Alternifolia (Tea Tree) Leaf Extract, 4-Terpineol)
How do you use it?
- Where in your routine
- First leave-on step after cleansing, an acid-carrying treatment toner rather than a plain hydrating one
- Pairs well with
- Daily broad-spectrum sunscreen
- A simple fragrance-free moisturiser over the top
- Don't combine with
- A separate retinoid or a second acid product in the same routine step
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.
Key ingredientWorth a closer look
- Water
- Houttuynia Cordata Extract
- Butylene Glycol
- 1,2-Hexanediol
- Niacinamide
- Glycerin
- Panthenol
- Carbomer
- Arginine
- Gluconolactone
- Dipotassium Glycyrrhizate
- Adenosine
- Disodium EDTA
- Hyaluronic Acid
- Camellia Sinensis Leaf Extract
- Centella Asiatica Extract
- Carica Papaya (Papaya) Fruit Extract
- Prunus Mume Fruit Extract
- Malus Domestica Fruit Extract
- Vitis Vinifera (Grape) Fruit Extract
- Decyl Glucoside
- Citric Acid
- Melaleuca Alternifolia (Tea Tree) Leaf Extract
- Salicylic Acid
- Ethylhexylglycerin
- Centella Asiatica Leaf Extract
- Cladosiphon Okamuranus Extract
- Salix Alba (Willow) Bark Extract
- Zinc PCA
- 4-Terpineol
- Coffea Arabica (Coffee) Seed Extract
- Madecassoside
- Madecassic Acid
- Asiaticoside
- Asiatic Acid
- Citrus Aurantium Bergamia (Bergamot) Leaf Extract
- Pinus Densiflora Leaf Extract
- Sodium DNA
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Only partly backed:
- clearer-looking skin · better barrier support
See each claim, checked (4)
Claims, checked
A soothing toner for sensitive, uneven skin made touchy by the change of seasons
partly backedNot only does it contain 100,000ppm of Houttuynia cordata extract, it also adds a Houttuynia cordata PDRN component, so outstanding effects on skin barrier improvement and blemish relief can be expected
partly backedIts distinguishing feature is that 'quercetin', the core component of Houttuynia cordata, is strengthened 9 times by Blanc Nature's own high frequency extraction method
no supporting source foundBlanc Nature, a brand specializing in blemish-prone and sensitive skin, has newly presented the '9x Highly Concentrated Houttuynia Cordata Toner' after two years of research
nothing specific to check
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.
What else is worth seeing?
Products we read alongside this one.
Which articles cover it?
Articles on this site that write about this product.
- What does heartleaf actually do, and which number on the bottle is real?On the labels here, heartleaf runs from 77 percent to 3,500 ppm. The biggest number belongs to the weakest form, and no study here uses human skin.
- Five Korean products for breakout prone skin, read label firstKorean skincare for acne prone skin is mostly toners that do different jobs under one word. Five labels read end to end, with the acids counted for you.
- What is salmon DNA in skincare, and where does it show up on a label?The word salmon almost never appears on the ingredient list. Three Korean products with three different origin stories for the same ingredient family.