Korean skincare for blackheads: useful product choices and limits
Updated September 10, 2026
The dots on your nose don't all need the same response. Some may be blackheads. Others may be sebaceous filaments, a normal part of skin that doesn't need clearing out. Buying a stronger exfoliant before making that distinction can leave you with a sore nose and the same visible dots.
Korean skincare can offer useful choices for blackhead-prone skin, but the product's job matters more than its “pore” branding. A cleanser washes. A targeted exfoliant has a different role. Neither should be judged by whether your face looks completely poreless in a magnifying mirror.
Below, we compare a straightforward cleanser and two leave-on options using their published ingredients and directions. These are research-based selections, not products we have wear-tested or a ranking based on customer stars.
First, decide which problem you are trying to solve
Blackheads are a type of acne: open pores containing a plug of oil and dead skin. Sebaceous filaments help oil move to the skin's surface. They often appear smaller, flatter and lighter than blackheads, with a gray, pale brown or yellowish appearance. They aren't acne. .
Those are clues, not a diagnosis from a bathroom mirror. If you cannot tell which you have, a dermatologist can help before you spend money trying to remove something normal.
There is a third concern, too: visible pores without a plug. Oiliness, clogging and changes in skin firmness can make pores more noticeable. The sensible goal is reducing their appearance where possible, rather than permanently closing them. AAD guidance on visible pores.
This changes the shopping decision. If the issue is actual blackheads, look at a suitable acne-active ingredient. If you mainly see normal filaments, start by reconsidering the goal of emptying every pore. If your skin already stings from repeated attempts, pause the exfoliant search and address the irritation first.
What is worth buying—and what may already be covered
Look at the bottles you use now before adding another. A salicylic-acid wash, exfoliating toner, peeling pad and retinoid can occupy overlapping territory even when the labels describe different benefits. “Toner” tells you little about how gentle something is.
For blackheads, salicylic acid is a relevant starting ingredient: the American Academy of Dermatology identifies it as particularly useful for blackheads and whiteheads because it exfoliates and helps unclog pores. That doesn't establish that every product mentioning BHA will perform identically. AAD acne-treatment guidance.
Our salicylic acid guide explains the ingredient in more detail. Here, the more useful question is which finished product fits your existing routine and whose directions you can follow without doubling up.
Beauty of Joseon Green Plum Refreshing Cleanser: the wash step
This is a water-based gel cleanser with plum water, cleansing surfactants and glycerin. Its current full ingredient list does not list salicylic acid or betaine salicylate. It belongs here as a regular cleansing option, rather than a blackhead treatment disguised as a face wash.
Beauty of Joseon directs you to wet your hands, massage the cleanser gently onto your face and rinse with lukewarm water. The brand describes it as a gentle, pH-balanced daily cleanser. That description still needs to match your experience: tightness or stinging after washing is a reason to reconsider the formula. Official formula and directions.
It is worth considering if you need a plain wash alongside a separate treatment. If your current cleanser already works well, there is no blackhead-specific reason to replace it just to make the routine entirely Korean.
Peach Slices Acne Exfoliating Toner: a US acne medicine
This K-beauty brand's toner contains 2% salicylic acid as its active acne ingredient. Its current official list also includes glycolic and lactic acids, glycerin, allantoin and centella. No Fragrance or Parfum appears in that list. The additional acids matter when deciding whether another exfoliating pad or peel belongs in the same routine. Peach Slices formula.
The matching US Drug Facts label gives specific directions: cleanse first, then apply a thin layer over the affected area. Start with one application daily; the label allows increasing to two or three if needed or as directed by a doctor. If bothersome dryness or peeling occurs, reduce use to once daily or every other day. You do not need to work toward the maximum frequency as a skincare achievement.
The label warns that another topical acne medicine can increase dryness and irritation. It also includes an AHA sunburn alert: use sunscreen and protective clothing, and limit sun exposure during use and for a week afterward. Keep it away from your eyes. Peach Slices Drug Facts.
This is the clearer option of these two leave-ons if your priority is a US-labelled salicylic-acid acne medicine. It is still capable of irritating skin, despite the soothing ingredients and fragrance-free description.
COSRX BHA Blackhead Power Liquid: a different exfoliating formula
COSRX uses betaine salicylate, alongside willow bark water, niacinamide, panthenol and sodium hyaluronate. Its current product page recommends it for experienced acid users and suggests use two or three times a week, gradually adjusting according to skin condition. Apply after cleansing in the toner or essence step and allow it to absorb before the next product. COSRX's exact product directions.
The brand's R&D article identifies the formula as 4% betaine salicylate. That is a different labelled ingredient from Peach Slices' 2% salicylic acid. We don't have head-to-head evidence establishing equivalent effects, so the higher number is not a reason to rank COSRX above it—or to invent a percentage conversion. COSRX ingredient explanation.
This is also not COSRX AHA/BHA Clarifying Treatment Toner or AHA 7 Whitehead Power Liquid. Check the full name before borrowing a routine from someone using another bottle. The BHA Blackhead Power Liquid page advises against combining it with other acids, retinol or vitamin C; follow that product-specific advice rather than assuming all COSRX liquids share one schedule.
If you are comparing pads, toners and other exfoliating formats, the Korean exfoliator guide covers that separate decision.
Build the routine around the treatment you actually chose
For mornings, keep the basics recognizable: gentle cleansing, moisturizer as needed, and broad-spectrum sunscreen with SPF 30 or higher. The AAD also recommends water resistance. Sun protection remains relevant when the concern is pores, and Peach Slices carries the additional AHA warning noted above. AAD sun-protection advice.
At night, remove makeup and cleanse gently. If an oil or balm helps remove what you wear, use it for that task; don't turn the step into a prolonged nose massage aimed at forcing material out. Our double-cleansing guide explains when two washes are useful and when one is enough.
Then use your chosen leave-on according to its own directions, followed by moisturizer. A COSRX evening only happens on the days your schedule and skin tolerance support. The Peach Slices starting directions are different. There is no need to squeeze both into the week simply because both appear in this article.
If you already use prescribed acne treatment, keep that plan intact and ask your clinician before adding an exfoliant. A shopping guide cannot account for all the combinations in an individual treatment plan.
The AAD advises gentle washing twice daily and after sweating, and warns that frequent washing and scrubbing can worsen irritation. More trips to the sink aren't a shortcut to clear pores. Skin-care habits that can worsen acne.
Skip the satisfying-looking shortcuts
A pore strip can pull out material, but seeing something on the strip doesn't identify everything it removed. Cleveland Clinic notes that strips can remove normal sebaceous filaments too. These structures remain part of your skin, and oil can return after squeezing. Trying to keep them permanently empty is a frustrating target. Cleveland Clinic on squeezing and pore strips.
Avoid digging with an extractor or repeatedly pressing with your nails. The AAD warns that squeezing acne can push material deeper, increase inflammation and sometimes lead to pain or scarring. Scrubbing can irritate acne-prone skin too. AAD advice on squeezing and scrubbing.
There is no extraction procedure to learn from this guide. If a stubborn plug is bothering you, getting the spot assessed is more useful than increasing the pressure. A cleanser that foams more, a pad that feels rougher or a product that tingles more has not demonstrated better blackhead care by doing so.
Give yourself a useful way to judge progress
Write down when you start the new product and how often you actually use it. Check whether you are seeing fewer obvious plugs or new blackheads, and whether the surrounding skin is becoming irritated. Keep the rest of the routine steady enough that you can tell what changed.
Include days you skipped it and why. A schedule that repeatedly leaves you peeling is useful information to bring to a clinician, not a sign that you need a more ambitious routine.
If photos help, take occasional private pictures in similar lighting and at the same distance. Don't compare a magnified close-up with a softly lit selfie and call the difference a result. Normal pores and filaments will still be visible.
For acne medicines, the AAD recommends allowing about six to eight weeks of directed use to assess improvement. This isn't a guaranteed timeline for either bottle or a reason to push through worsening irritation. Painful deeper spots, scarring, persistent dark marks or a lack of improvement are reasons to see a dermatologist. Seek advice before self-treating acne during pregnancy or when trying to conceive. AAD expectations and when to get help.
If blackheads are only one part of the problem, our acne-prone skincare routine looks at the broader picture. For now, judge your purchase by the problem it was meant to help: fewer troublesome clogs with skin you can leave alone, not a nose that never shows a pore.
The 10-step Korean skincare routine in order, oil cleanser to SPF, with a product for each step and the steps you can skip: essence, eye cream, sheet mask.
Build a Korean skincare routine around cleanser, moisturizer and sunscreen. Learn the morning and evening order, optional steps and when to add a product.
Korean Skincare for Blackheads: Products & Routine | Sleepy Hello
