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Blanc Nature

Blanc Nature Acne Cleansing Foam

Ingredient analysis and how the ad lines read

Product photo of Blanc Nature Acne Cleansing Foam

Read on 2026-09-05

What is this product?

Blanc Nature's Acne Cleansing Foam is a real alkaline soap sold as a 150ml acne wash: fatty acids at positions 2, 3, 4 and 6 are neutralised by potassium hydroxide at 7, and Blanc Nature itself puts the pH at 8.5(±0.5) and calls the product 미알칼리성. That one fact decides everything else, because the salicylic acid declared at position 14 is essentially fully ionised at pH 8.5, so you do not get the pore-clearing BHA action the name implies, and the tea tree oil and terpinen-4-ol sit at 40 and 39 of a wash you rinse straight off. What it does do well is strip sebum, so it suits oily skin and second-cleanse duty and is a poor pick for dry, sensitive, propolis-allergic or essential-oil-reactive skin, the more so with 12 botanical extracts including centella, propolis, calendula and Houttuynia cordata sitting at undisclosed levels.

What makes it different?

Two things make it unusual. It is a saponified potassium soap in an aisle where 약산성 is the default, with the brand's own answer page giving pH 8.5(±0.5), which turns its declared salicylic acid into an inactive salt rather than an exfoliant. And its acne-functional standing rests entirely on retail paperwork: the statutory product-information record for the 150ml size prints 여드름성 피부 완화 기능성 화장품 and 화장품법에 따른 기능성 화장품 심사(또는 보고)를 필함, but no registration number appears anywhere and Blanc Nature's own pages carry none of that wording.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know 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

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

We could not place these in the list above: Melaleuca Alternifolia (Tea Tree) Leaf Oil, Terpinen-4-ol, Palmitic Acid, Stearic Acid, Myristic Acid, Lauric Acid, Glyceryl Stearate, PEG-100 Stearate, Sorbitan Olivate, 살리실릭애씨드

Did the ad claims hold up?

We checked 3 lines this product advertises against the ingredient list and public documents. 2 of them hold up. The rest are only partly right or have nothing behind them.

Claims translated from Korean, originals preserved.

backed by evidence2

  • acne-functional-cleansing foam-150ml
    Korean original

    여드름-기능성-클렌징폼-150ml

  • Hello. Blanc Nature Acne Cleansing Foam is pH 8.5(±0.5), so it is close to a slightly alkaline product.
    Korean original

    안녕하세요. 블랑네이처 아크네 클렌징폼은 pH 8.5(±0.5)로 미알칼리성 제품에 가깝습니다.

partly backed1

  • Acne cleansing foam
    Korean original

    여드름 클렌징폼

Each line is quoted as the brand published it, and each one was read on its own against the ingredient list and the documents the brand publishes.

How we read these lines

What else is worth seeing?

Products we read alongside this one.

Which articles cover it?

Articles on this site that write about this product.