One Step Original Clear Pad
The OG K-Beauty BHA Pad
Pros & cons.
- +Pioneering BHA pad format with an admirably minimal 14-ingredient formula
- +Willow bark water base provides dual-source BHA activity alongside betaine salicylate
- +Gentle enough for daily use — ideal entry point for BHA beginners
- +Dual-sided pad design combines light physical and chemical exfoliation in one step
- +Good value at approximately 31 cents per pad for a 2-month supply
- +Includes tweezers for hygienic pad retrieval from the tub
- +Panthenol and allantoin buffer potential irritation from the exfoliant
- −Orange peel oil is an unnecessary irritant for a product targeting acne-prone skin
- −1% betaine salicylate is too gentle for moderate to severe acne or stubborn congestion
- −pH may be higher than optimal for BHA efficacy based on independent testing
- −Tea tree scent may be off-putting for fragrance-sensitive users
- −Pads can dry out if the screw-top lid is not sealed tightly after each use
The full review.
Before there was a toner pad for every concern on every shelf at Olive Young, there was this. The COSRX One Step Pimple Clear Pad — now diplomatically renamed the Original Clear Pad — arrived in 2015 when K-beauty was surging globally and did something that seems obvious in retrospect but was genuinely novel at the time: it pre-soaked dual-sided cotton pads in a BHA toner and put them in a screw-top tub. Swipe, flip, done. No cotton pad hunting, no toner spilling, no second-guessing how much product to use. The format was so successful that it spawned an entire product category.
A decade later, the formula remains almost stubbornly unchanged, and there is something admirable about that restraint. The ingredient list is just 14 items long — you can read it in a single breath. Willow bark water makes up roughly 85.9% of the formula, serving as the solvent base instead of the purified water that anchors most skincare products. This means the exfoliating intent begins with the very first ingredient: willow bark contains natural salicin, a precursor to salicylic acid, providing a botanical source of BHA activity before the synthetic betaine salicylate even enters the conversation.
Betaine salicylate at 1% is the declared active, and understanding what it is — and is not — is essential to setting expectations. This is not salicylic acid. It is a compound that combines betaine (trimethylglycine, a soothing humectant amino acid) with salicylic acid, delivering roughly half the exfoliating potency of pure SA at the same concentration. This is by design: the pad is meant for daily use, and daily use demands gentleness. For blackheads, minor texture issues, and general pore maintenance, this gentle approach works well. For inflammatory acne, deep cystic breakouts, or persistent congestion, it will likely feel like bringing a water pistol to a house fire.
The experience of using the pad is pleasantly straightforward. Pull one from the tub — the included tweezers are a nice touch for hygiene — and the embossed side provides a satisfying light physical exfoliation as you sweep it across the face. The T-zone gets the most attention here, where sebum accumulates and blackheads set up camp. Flip to the smooth side, and you are essentially applying a thin layer of BHA-infused toner. The essence itself is watery and transparent, nothing like the heavier, serum-like saturation of the Moisture Up Pad sibling. It absorbs in seconds, leaving behind a clean, almost matte finish with no residue.
The tea tree oil adds both function and fragrance — its antimicrobial properties are modestly supported by research for acne-prone skin, and its scent gives the pad a medicinal-herbal character that some find refreshing and others find off-putting. The orange peel oil, however, is harder to justify. In a product designed for acne-prone and potentially reactive skin, a citrus essential oil known to contain limonene — one of the most common contact allergens in cosmetics — feels like an unnecessary inclusion. It is the one ingredient that seems to exist purely for sensory appeal rather than skin benefit, and it narrows the product’s suitability for the very audience that would benefit most from a gentle BHA pad.
There is an ongoing debate in the K-beauty community about the product’s pH. COSRX states approximately 4.0, which would be within the effective range for BHA activity. Independent measurements have occasionally reported higher values, closer to 6.0, which would significantly reduce the exfoliating efficacy. Without standardized testing conditions, it is difficult to settle this definitively, but it is worth noting that user experience broadly aligns with mild exfoliation — which could reflect either a gentle formulation or a suboptimal pH, or both.
The value proposition remains strong. At roughly 2 for 70 pads, you are paying about 31 cents per use for a combined exfoliant and toner that lasts over two months. The minimalist formula means you know exactly what you are putting on your skin, which carries its own value for ingredient-conscious consumers who have learned to side-eye 40-ingredient formulations.
Where this pad shows its age is in the competitive landscape it created. A decade of innovation has produced toner pads with optimized pH levels, fragrance-free formulations, higher concentrations of proven actives, and more sophisticated ingredient combinations. The Original Clear Pad is no longer the most effective BHA pad on the market — it may not even be the most effective COSRX BHA pad, given the brand’s newer iterations. But it retains a simplicity and accessibility that more complex products sometimes sacrifice. For someone new to chemical exfoliation, intimidated by acid percentages and pH charts, this pad says: start here. It is gentle enough that the worst-case scenario is mild tingling and unchanged skin, not a compromised barrier.
The legacy of this product is less about what it does to your skin and more about what it did for the category. It proved that exfoliation could be convenient, affordable, and approachable — a swipe instead of a ritual. That the original formula still sells a decade later, largely unchanged, speaks to the enduring appeal of that premise.
Formula
Ingredient analysis.
Full INCI list · pH 4
Salix Alba (Willow) Bark Water, Butylene Glycol, Glycerin, Betaine Salicylate, 1,2-Hexanediol, Arginine, PEG-60 Hydrogenated Castor Oil, Panthenol, Allantoin, Ethyl Hexanediol, Citrus Aurantium Dulcis (Orange) Peel Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Sodium Hydroxide, Sodium Hyaluronate
Skin match.
The science.
The Science
This pad uses two complementary BHA sources for exfoliation. Betaine salicylate combines salicylic acid with betaine (trimethylglycine) to modify delivery and reduce salicylic acid irritation. Research in the International Journal of Cosmetic Science (2010) shows betaine salicylate provides effective keratolytic activity—dissolving bonds between dead skin cells—with less erythema and irritation than equal concentrations of pure salicylic acid.
The willow bark water base provides salicin, a beta-glucoside of salicyl alcohol. Salicin requires metabolism into salicylic acid to work keratolytically; the skin's conversion rate (versus ingestion) is not fully established. However, willow bark extract shows anti-inflammatory properties during topical application regardless of salicin content, likely from other polyphenols and flavonoids in the extract. A Phytotherapy Research (2010) study confirmed the anti-inflammatory potential of Salix alba bark extract in topical formulations.
Melaleuca alternifolia (tea tree) leaf oil targets the microbial aspect of acne. A landmark study in the Medical Journal of Australia (1990) by Bassett et al. compared 5% tea tree oil to 5% benzoyl peroxide for acne. They found comparable efficacy in reducing inflammatory and non-inflammatory lesion counts, though the onset of action was slower. The tea tree oil concentration in this pad is undisclosed, but its position in the INCI list suggests it is well below 5%, meaning the antimicrobial effect is likely modest.
The product's pH is critical for BHA efficacy. Salicylic acid works best at a pH between 3.0 and 4.0, where it stays mostly in its un-ionized, lipid-soluble form to penetrate oily pore linings. COSRX states a pH of approximately 4.0, the upper limit of optimal BHA activity.
References
- A comparative study of tea-tree oil versus benzoylperoxide in the treatment of acne — Medical Journal of Australia (1990)
- Anti-inflammatory activity of Salix alba bark extract — Phytotherapy Research (2010)
Dermatologist Perspective
Board-certified dermatologists often recommend betaine salicylate-based products to patients starting chemical exfoliation, especially those irritated by standard 2% salicylic acid formulations. Clinical recommendations value the pad format because it ensures consistent application; patients apply more even amounts than when pouring toner onto a cotton pad. However, dermatologists treating moderate to severe acne typically find this product inadequate as a primary treatment. They would recommend it as a supplement to prescription-strength retinoids or higher-concentration BHA products. The essential oils in the formula would lead dermatologists specializing in sensitive skin to recommend fragrance-free alternatives.
Where it fits in your routine.
Use once daily in the evening after cleansing. Pick up one pad with the included tweezers or clean fingers. Swipe the embossed (textured) side over your entire face, targeting the T-zone, nose, chin, and areas with blackheads or congestion. Flip the pad to the smooth side and pat the remaining essence into the skin as a toner. Wait 1-2 minutes before applying serums or moisturizer. Wear sunscreen the next morning because BHA increases photosensitivity. If you are new to BHA, use it every other day for two weeks before switching to daily use.
At 2 for 70 pads, the Original Clear Pad costs roughly 31 cents per application. This 14-ingredient formula focuses on functional ingredients instead of sensory additives. COSRX is an established K-beauty brand with over a decade of market presence and the pioneering product in this category; its pricing fits mid-range K-beauty positioning. Users who cut pads in half get nearly five months of use at approximately 15 cents per application.
Oily and combination skin types with blackheads, minor breakouts, texture, and pore congestion benefit most. This works well for BHA beginners seeking a gentle, foolproof introduction to chemical exfoliation without the intimidation of acids in bottles.
Dry, dehydrated, or sensitive skin types should avoid this — even at this gentle concentration, the BHA strips the skin. The 1% betaine salicylate is insufficient as a primary treatment for moderate to severe acne. Fragrance-sensitive users should note the orange peel and tea tree oils.
Product details.
Pads soak in a transparent, water-like essence. The dual-sided design uses an embossed textured side for light physical exfoliation and a smooth side for gentle toning. The essence is lightweight and non-viscous.
Subtle medicinal-herbal scent from tea tree oil with a faint citrus undertone from orange peel oil. Dissipates quickly after application.
Round plastic tub has a screw-on lid and inner protective seal. Small tweezers allow hygienic pad removal. The functional, minimal design matches COSRX's no-frills aesthetic.
The BHA causes a refreshing, clean sensation and mild tingling on first use. Most users do not experience a purging period, but those new to chemical exfoliation may see minor breakouts during the first 1-2 weeks as congestion clears. Skin feels smoother and looks more refined within the first week.
2-2.5 months with daily use (one pad per day), up to 5 months if pads are cut in half
12 months
All Year
The backstory.
COSRX founder Jun Sang-hun created the brand after struggling to find products for his own sensitive skin. The One Step Pimple Clear Pad (now Original Clear Pad) was among COSRX's earliest hero products in 2015, credited with popularizing the pre-soaked toner pad format in K-beauty. Originally named for its pimple-clearing intent, it was later renamed for regulatory reasons in certain markets.
About COSRX
Established Brand (5–20 years)COSRX launched in 2013 and is now a globally recognized K-beauty brand. COSRX uses minimal-ingredient, functional formulations and builds a following through transparent labeling and effective products, though independent clinical studies on its specific formulations are limited.
Common myths.
Betaine salicylate has the same strength as pure salicylic acid at the same concentration.
Betaine salicylate has about half the exfoliating potency of pure salicylic acid at the same concentrations. The 1% betaine salicylate in this pad is gentler, so it works for daily use and BHA beginners but is less effective for severe or cystic acne.
Willow bark water is just fancy water with no real benefit.
Willow bark water has natural salicin, a salicylic acid precursor. It lacks the potency of synthetic BHA, but its anti-inflammatory and mild exfoliating properties complement the betaine salicylate in this formula to create a layered exfoliation system.
FAQ.
How often should you use the COSRX One Step Original Clear Pad?
Most skin types can use this pad daily in the evening after cleansing. The betaine salicylate is gentle enough for daily use. If you are new to BHA products, use them every other day for the first two weeks to check your skin's tolerance before moving to daily use.
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Is the COSRX Original Clear Pad strong enough for acne?
The 1% betaine salicylate exfoliates mildly with BHA to treat minor breakouts, blackheads, and texture. This pad lacks the exfoliating power for stubborn, cystic, or inflammatory acne; use a dedicated 2% salicylic acid treatment for persistent acne concerns.
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What is the difference between the COSRX Original Clear Pad and the Moisture Up Pad?
The Original Clear Pad uses willow bark water and 1% betaine salicylate to exfoliate and clear pores in oily and acne-prone skin. The Moisture Up Pad focuses on hydration using a multi-molecular-weight hyaluronic acid complex and squalane, providing only mild exfoliation. Use the Original Clear for breakouts and oil control, and the Moisture Up for dryness and dehydration.
Can you use the COSRX Clear Pad with retinol?
Yes, but use caution. If you use BHA and retinol regularly, you can apply the Clear Pad and retinol on the same evening — apply the Clear Pad first, wait a few minutes, then apply retinol. Beginners should alternate nights: use the BHA pad one evening and retinol the next to avoid over-exfoliation and irritation.
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Why was the COSRX Pimple Clear Pad renamed?
COSRX renamed the One Step Pimple Clear Pad to the One Step Original Clear Pad for marketing and regulatory reasons. Some markets restrict medical-sounding claims like "pimple clear" on cosmetic products. The formula is the same; only the name changed.
Does the COSRX Original Clear Pad expire quickly after opening?
The pads have a 12-month period after opening (PAO). Screw the lid tight after each use so the essence does not evaporate. Proper storage keeps the pads saturated for the product's life. Dry pads mean the essence evaporated and efficacy is reduced.
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Is the COSRX Original Clear Pad safe during pregnancy?
COSRX's website advises consulting a healthcare professional before using this product during pregnancy. It contains betaine salicylate, a BHA derivative. Low-concentration topical BHA is lower risk than oral salicylates, but many dermatologists advise avoiding BHA products during pregnancy as a precaution.
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Community
What the community says.
"Gentle enough for daily use without drying"
"Visible blackhead reduction especially in T-zone"
"Convenient pad format eliminates need for cotton pads"
"Extremely short ingredient list inspires confidence"
"Helps heal hormonal breakouts faster"
"Good value at roughly 31 cents per pad"
"Medicinal tea tree scent that some find unpleasant"
"Orange peel oil is an unnecessary irritant for acne-prone skin"
"BHA concentration may be too mild for stubborn acne"
"pH may be higher than optimal for BHA efficacy"
"Pads can dry out if lid is not sealed tightly"
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