COSRX Master Patch X-Large [10 patches]

100% Genuine (Adilsons authenticity policy) · FA-Safe (checked against Malassezia-feeding ingredient data) · Pregnancy-Safe (no retinoids, salicylic acid, hydroquinone, or chemical UV filters) · Fragrance-Free (confirmed INCI) · Halal-Friendly* · Vegan-Friendly*.

*Self-assessed by Adilsons based on available INCI data. No ethanol from fermentation, no porcine-derived ingredients, and no haram or animal-derived ingredients detected in the declared ingredient list. This is NOT a formal Halal certification. Muslims with stricter requirements should consult their own scholars.

*Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected. This is NOT a formal vegan certification by The Vegan Society or an equivalent body.

A cluster of blemishes along the jaw or cheek right before an event can feel impossible to hide with one round dot patch at a time. This is built for exactly that — one oval shape over several spots instead of a scattering of small circles.

Pros: one patch covers a cluster instead of needing several round ones; thin, matte, blends reasonably well under makeup; physically blocks picking; non-medicated, so it suits most skin types; the trace Niacinamide is a bonus, not something to rely on.

Caveats: it only comes in one fixed large size, so a single tiny pimple gets over-covered compared to a small round patch; edges can lift on oily or unprepped skin, around the mouth, or during heavy sweating; and it does nothing for a blind, unheaded cystic bump. Both of COSRX's own plain round Master Patch siblings (Acne Pimple Master Patch, Clear Fit Master Patch) are currently out of stock at Adilsons, so right now this X-Large is COSRX's only in-stock patch here.

Bedside-compatible: yes, no sink needed if skin is already clean and dry. Requires rinsing: no. Requires precise dosage: no — press and go. Applicable with unwashed hands: only the patch handling itself needs clean hands; the skin underneath should be washed and fully dry first for it to stick. Requires wait time: none beyond letting skin air-dry. Can it be a single-product routine: yes, on a night when nothing else gets done, cleanse, dry the spot, and patch it — that alone is a complete "damage control" step.

This qualifies as a minimum-viable-routine item on its own; it needs almost no technique or judgment calls, which makes it one of the few product types genuinely fine to reach for even on a zero-effort night.

Step 1 (When): Apply PM (overnight) for best results, or AM/daytime under makeup once the area is dry. Step 2 (How much): One oval patch per blemish cluster — do not stack two patches on top of each other. Step 3 (How): Peel from the backing sheet, center it over the driest, cleanest version of the blemish, and press the edges down firmly for 5-10 seconds.

Introduce this as the ONLY new product in your routine. Wait a full 14 days before adding anything else. This isolation window ensures you can identify whether any reaction is caused by this specific product.

1. Cleanse. 2. Toner/essence/serum as normal, letting each layer absorb. 3. Moisturizer. 4. Sunscreen. 5. Once the last step has fully absorbed and skin is dry — apply the Master Patch X-Large over any surfaced blemish or cluster. 6. Makeup, if worn, applied gently around (not directly over) the patch edge.

In Mauritius morning humidity, skin can still feel slightly damp from a humid bathroom even after your routine has absorbed — give it an extra minute before patching, since any residual tackiness underneath is the single biggest reason a patch lifts by midday.

This product has no photosensitizing ingredients and carries no SPF-mandate warning of its own — your regular daily sunscreen still applies underneath and around it as normal.

1. Double cleanse if wearing makeup/sunscreen. 2. Toner/essence/serum, allowing full absorption. 3. Moisturizer, kept away from the blemish itself if you want maximum patch adhesion. 4. Once skin is fully dry (wait an extra 5-10 minutes if you moisturized the area) — apply the Master Patch X-Large as the final step of the night. 5. Leave on overnight; check in the morning whether it has turned cloudy/white (saturated) or is still mostly clear (can be left on longer or replaced with a fresh one if it has lifted).

In the routine encyclopedia's 4-night active-cycling framework, this product sits outside the cycle entirely — it is a mechanical spot rescue, not an active to alternate with exfoliants or retinoids, so it can be used every single night a surfaced blemish is present without needing a rest night.

Technique: Press, do not rub — friction along the edges is the main cause of early lift-off. Required skin state: Fully dry, with no leftover serum, moisturizer, or sunscreen film underneath; even a light, unabsorbed layer will stop the adhesive from bonding. Wait time: None once skin is dry, but if you just applied other skincare to that spot, wait until it is no longer tacky to the touch, typically 5-10 minutes.

Hands vs cotton pad: not applicable here — this is a pre-formed adhesive dressing, applied directly with clean, dry fingers, not dispensed onto a pad.

This is an encyclopedia map of all product types. You do not use all of these daily. You select modules based on your skin state.

Global execution rules: viscosity ladder runs thinnest to thickest, water-phase before oil-phase, treatments before seals. Default wait times: watery layers 10-20 seconds, serum layers 30-60 seconds, 10-15 minutes before sunscreen if heading outdoors or applying makeup. Default amounts: toner/essence 5-8 drops per layer, serum/ampoule 2-3 drops, eye product half a rice-grain per eye, gel moisturizer 1-1.5 peas, cream 1-2 peas, occlusive seal rice-grain to pea-size, sunscreen the two-finger rule for the face. If a routine pills, stings, or feels heavy, reduce layers rather than adding more.

AM Maximum Stack: 1. Rinse/gentle cleanse (optional). 2. pH-prep toner (optional). 3. Hydrating toner layers, 1-3 (optional). 4. Essence (optional). 5. Mist (optional). 6. Booster/soothing serum (optional). 7. Antioxidant lane, pick one (optional). 8. Pigment-support lane, pick one (optional). 9. Hydration serum lane (optional). 10. Oil-control/sebum lane (optional). 11. Peptide/repair lane (optional). 12. Eye product (optional). 13. Moisturizer. 14. Optional sealing layer. 15. Sunscreen SPF50+ PA++++ (non-negotiable). 16. Lip SPF (optional). This product's place: after step 15/16, as a final targeted step over a specific blemish, never mixed into the general layering order.

PM Maximum Stack: 1. Micellar pre-cleanse (optional). 2. Oil cleanser/balm if wearing SPF/makeup. 3. Water cleanser. 4. pH-prep toner (optional). 5. Hydrating toner layers (optional). 6. Essence (optional). 7. Soothing/barrier serum (optional). 8. Anchor treatment product (bold placement). 9. Targeted serum, only if non-conflicting (optional). 10. Moisturizer. 11. Sleeping mask (optional). 12. Occlusive seal (optional). 13. Spot treatment/pimple patch — this product's position — apply on clean, dry skin, press 5 seconds. 14. Lip sleeping mask (optional).

In AM, prioritize comfort and SPF adherence over stacking. In high humidity, fewer layers often perform better.

Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night. This does not apply to the patch itself, since it carries no exfoliating or retinoid active, but it does apply to whatever active serum you use earlier in the same routine.

This is a solid, pre-formed dressing, not a liquid or cream on the viscosity ladder — it sits entirely outside the thin-to-thick layering order and is always the last thing applied to a specific spot, after every other skincare step has fully absorbed.

Layering rule: everything else goes on first, thinnest to thickest, and this patch goes on last, directly onto dry skin. Phase compatibility: the underside is a hydrocolloid/adhesive phase that needs a dry surface to bond — any residual water-phase or oil-phase product underneath will weaken the bond, which is the single most common reason a patch lifts early.

This is a mechanical dressing, not an active ingredient, so there is no "purging" phase to distinguish from a reaction — any redness or irritation that appears under or around the patch is most likely an adhesive-contact response, not purging, and should be addressed by shortening wear time (see Troubleshooting).

Before starting this product, your routine does not need any specific foundation product in place — a hydrocolloid patch is one of the lowest-risk, most beginner-friendly items in a skincare routine and can be used alongside almost any other routine.

Surfaced, draining blemishes: the hydrocolloid core absorbs pus and exudate, flattening the bump and sealing it from bacteria and picking. Clusters of blemishes: the oval 30x60mm shape covers several spots at once instead of requiring several small round patches placed side by side. Post-acne discoloration: the trace, last-listed Niacinamide is not present at a concentration that is likely to meaningfully fade dark marks — treat any brightening benefit as a bonus, not the reason to buy this product.

What this product cannot do: it cannot draw out or "pop" a closed, unheaded cystic bump; it cannot prevent new breakouts from forming elsewhere; and it cannot substitute for a proper leave-on treatment (salicylic acid, benzoyl peroxide, or a dedicated niacinamide serum) if fading marks or reducing breakout frequency is the actual goal.

Gentle low-pH cleanser — COSRX Low pH Good Morning Gel Cleanser 150ml: cleans and dries the skin before patching without stripping the barrier, which supports better adhesion than a harsh foaming wash. Use AM/PM before patching.

Sebum-focused micellar cleanse — COSRX Low pH Niacinamide Micellar Cleansing Water 400ml: a no-rinse option for a quick midday touch-up around a patched area without needing a full cleanse. Use as needed, AM or PM.

Pore/sebum-control serum — AXIS-Y Calamine Pore Control Capsule Serum 50ml: applied to the surrounding (not directly under-patch) skin, its calamine and botanical blend can help calm the redness around a patched cluster. Use PM, well before patching so it fully absorbs first.

Centella-based soothing ampoule — SKIN1004 Madagascar Centella Poremizing Fresh Ampoule 30ml: supports overall sebum balance and redness around active breakouts, used earlier in the routine, away from the patch site itself. Use AM or PM.

Lightweight daily sunscreen — Anua Heartleaf Silky Moisture Sun Cream 50ml: protects healing, post-blemish skin from UV-driven dark-mark persistence once a patch comes off. Use every AM, reapplied every two hours outdoors.

Pilling pairs: this product does not pill against other skincare since it is a solid dressing, not a liquid or cream — the real interaction risk is adhesion failure, not pilling, if it is applied over an unabsorbed layer.

Pre-period breakouts happen because progesterone causes the pore lining to physically swell, narrowing the opening and trapping sebum beneath — this is exactly the kind of clustered, jawline-heavy breakout pattern the X-Large's larger oval shape was designed to cover.

Permeability: Fully Occlusive — the hydrocolloid backing forms a waterproof, film-forming seal over the skin.

Water will not reach the skin underneath the patch while it is worn, and the patch itself is designed to stay adhered through washing rather than dissolve or lift.

Removal: if full water contact to that specific spot is required for wudu, gently peel the patch off before ablution and reapply a fresh one afterward if the blemish is still draining.

Adilsons provides this assessment based on the product's physical properties. Rulings on wudu validity vary between scholars. Consult your own trusted Islamic authority.

MYTH: "A bigger patch works better on any pimple." REALITY: a patch only needs to be as large as the surfaced, draining area — an oversized patch on a single small pimple just adds unnecessary visible coverage without improving absorption.

MYTH: "The patch will make a closed, unheaded bump disappear overnight." REALITY: hydrocolloid patches absorb fluid from a lesion that already has fluid to give up; a closed cystic bump with no head has nothing on the surface for the patch to draw out.

MYTH: "If it has Niacinamide in it, it will fade my dark marks like a niacinamide serum would." REALITY: Niacinamide is the very last ingredient on this product's list, consistent with a trace, marketing-level inclusion rather than the 2-5%+ concentrations used in dedicated brightening serums.

Hard water note: this product is not a cleanser or rinse-off formula, so hard-water mineral residue does not directly affect it — but if your cleanser leaves a tight, filmy residue, that residue sits between the adhesive and your skin and can itself reduce how well the patch sticks.

*This ingredient appears below the estimated 1% line in the INCI list, suggesting it is present at a trace/sub-efficacious concentration. Its inclusion may be primarily for marketing rather than clinical effect.

Full INCI list: Cellulose Gum, Hydrogenated Poly(C6-20 Olefin), Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Polyisobutene, Styrene/Isoprene Copolymer, [--- Estimated 1% Line ---] Niacinamide.

This ingredient list is sourced from COSRX's own product page and corroborating retailer listings (YesStyle, Cosmeterie, HallYu Cosmetics), cross-checked across two independent searches; direct access to cosrx.com was blocked in this research pass, so treat it as a search-summary-level source rather than a first-hand page read.

Preservative system: no dedicated preservative ingredient appears in the declared INCI — as a solid, water-free adhesive/polymer dressing rather than an emulsion, it does not carry the same microbial-growth risk a water-based cream or serum does.

Fragrance status: Fragrance-Free — no Fragrance/Parfum or listed essential oil appears anywhere in the confirmed INCI.

Scent: no detectable scent reported in review sources. EU 26 allergen screen: none detected in the declared INCI. Alcohol disclosure: Alcohol-Free — no drying or fatty alcohol appears in the ingredient list.

Halal status: Self-assessed by Adilsons based on available INCI data. No ethanol from fermentation, no porcine-derived ingredients, and no haram animal-derived ingredients detected in the declared ingredient list. This is NOT a formal Halal certification. Muslims with stricter requirements should consult their own scholars.

Vegan status: Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected. This is NOT a formal vegan certification by The Vegan Society or equivalent body.

Cruelty-free status: Brand-stated policy. Not independently certified by Leaping Bunny, PETA, or equivalent third-party audit. COSRX sells products in Mainland China, where post-market animal testing may be required by law for certain retail channels; cross-border e-commerce sales may be exempt.

Microplastic status: No — contains synthetic film-forming polymers (Polyisobutene, Styrene/Isoprene Copolymer) as the structural adhesive/backing material. These are not rinse-off exfoliating microbeads, but they are non-biodegradable plastics used in the dressing's construction.

MFDS classification: not independently confirmed against an official MFDS registration record — most consistent with a General Cosmetic (non-medicated dressing) rather than a Functional Cosmetic, but this is an inference, not a verified classification.

Clinical evidence — hydrocolloid mechanism: well-established general wound-care science (moist wound healing, reduced scab formation) applies to hydrocolloid dressings broadly; no COSRX-run clinical trial specific to this exact SKU was located. Clinical evidence — Niacinamide claim: the "helps fade marks/reduce redness" framing comes from retailer marketing copy, not a study of niacinamide delivered through this occlusive patch format specifically.

*Clinical evidence for the Niacinamide claim is Marketing-Only tier — no independent study of this exact product's niacinamide delivery was found. This does not mean niacinamide itself is ineffective as an ingredient; it means the evidence for its effect in this specific trace-level, occlusive-patch format is not established.

Reformulation note: this X-Large SKU's confirmed INCI (which includes Niacinamide) is a different formula from COSRX's own plain round Acne Pimple Master Patch and Clear Fit Master Patch, which carry no marketed active — these are sibling products within the same "Master Patch" naming family, not different sizes of one identical formula.

FA safety: FA-Safe — an inert synthetic-polymer/adhesive matrix with no fatty acids, fatty alcohols, or Malassezia-feeding esters, plus a trace, non-feeding vitamin (Niacinamide).

Assessment: None — a solid pre-formed dressing does not pill against other skincare the way a liquid or cream layer can.

The real interaction to manage is adhesion, not pilling: applying the patch over an unabsorbed serum, moisturizer, or sunscreen film is the equivalent risk here, and the fix is the same principle — wait until the layer underneath is fully dry before adding this product.

Color baseline: unused patches are cream/off-white and semi-translucent; once worn and absorbing fluid, they turn cloudy white and slightly raised — that change is the product working as intended, not spoilage.

Storage: in Mauritius heat and humidity, keep the box resealed in its original packaging, away from direct sun and steamy bathroom storage, since heat and moisture exposure before use can weaken the adhesive's stick.

Spoilage signs on an unused patch: a dried-out adhesive that will not stick on contact, visible yellowing or discoloration before first use, or a torn/previously-opened individual seal. When in doubt, discard.

Patch test: apply a single patch to the inner forearm for 24 hours, then behind the ear for 24 hours, before regular facial use if you have any known adhesive sensitivity.

If adverse reaction: STOP ALL ACTIVES. For 72 hours, use ONLY gentle cleanser, plain moisturizer, and mineral SPF. NO acids, retinoids, Vitamin C, exfoliants, or essential oils. After 72 hours, reintroduce ONE product per 14 days.

Emergency stop signals: hives, swelling, blistering under or around the patch, persistent burning, or breathing difficulty — seek emergency care immediately and do not attempt to self-treat.

1. Applying over unabsorbed skincare — the single biggest cause of early lift-off. 2. Picking or popping a blemish first and expecting the patch to "extract" it — patches are for an already-open or draining spot, not for forcing one open. 3. Not fully drying the skin before applying. 4. Using the X-Large on one small, isolated pimple when a smaller round patch would be more discreet. 5. Leaving a single patch on for multiple days straight without checking saturation — replace roughly every 6-12 hours on an actively draining spot, or once it looks fully cloudy.

Overuse threshold: there is no clinical harm in using a fresh patch every night a surfaced blemish is present, but wearing one preventively on already-healed, dry skin adds no benefit and is simply wasted product.

Phone hygiene note: a phone screen pressed against the cheek/jaw during calls is a known bacterial vector for breakouts in that exact clustered-jawline area this product is designed to cover — wiping the screen down regularly supports the same goal this patch does.

Usage math: 10 oval patches per box, one patch per blemish/cluster per application, typically replaced every 6-12 hours on an actively draining spot (roughly 1-2 patches per breakout episode over 24-48 hours).

Lifespan: for someone with occasional, isolated large breakouts, a box can last several weeks to a couple of months; for frequent clustered breakouts, expect to reorder sooner. Using more patches than a blemish actually needs (e.g. swapping a still-clear, unsaturated patch too early) shortens how long the box lasts without improving results.

Reorder timing: reorder when down to your last 2-3 patches so a fresh box arrives before a breakout catches you without one.

This product is the "damage control" step of a blemish-prone routine — it does not treat the underlying cause of breakouts, but it protects an already-surfaced one from bacteria, picking, and visible irritation while the rest of your routine does the longer-term work.

AM: 1. Cleanse with COSRX Low pH Good Morning Gel Cleanser. 2. Apply SKIN1004 Madagascar Centella Poremizing Fresh Ampoule, wait 30-60 seconds. 3. Moisturize, avoiding direct application over any active blemish. 4. Apply Anua Heartleaf Silky Moisture Sun Cream. 5. Once fully dry, apply the Master Patch X-Large over the blemish/cluster.

PM: 1. Double cleanse if wearing SPF/makeup. 2. Apply AXIS-Y Calamine Pore Control Capsule Serum to the surrounding skin, wait 30-60 seconds. 3. Moisturize, again avoiding the blemish itself. 4. Once fully dry (allow an extra 5-10 minutes), apply the Master Patch X-Large as the final step and leave on overnight.

If your skin is oily and patches keep lifting: blot the area with a tissue right before applying, and consider cleansing with COSRX Low pH Niacinamide Micellar Cleansing Water as a quick midday touch-up before reapplying a fresh patch.

If you are heading into the luteal phase of your cycle and expect a jawline cluster: keep a few patches within easy reach rather than waiting for the breakout to fully surface, since this is the exact scenario the oval shape was designed to cover in one placement.

After purchasing, you will receive our skincare education email series covering this product in depth.

The recommendations above are based on formulation synergy with COSRX Master Patch X-Large, not on margin or stock levels. If a pairing does not exist in our catalog, we say so. If you already own a product that fills the same role, use what you have first.

If your breakouts are usually single, small, isolated pimples rather than clusters, SKIN1004 Spot Cover Patch (22EA) is a genuinely better fit — it is an ultra-thin, mixed-size (12mm/10mm) hydrocolloid pack built around a Centella soothing complex, so you get 22 smaller patches sized to one spot at a time instead of 10 large oval ones.

Other verified in-stock alternatives: SOME BY MI 30 Days Miracle Clear Spot Patch (unmedicated, 10mm/12mm, higher patch count), Pyunkang Yul Acne Spot Patch Super Thin, and Abib Heartleaf Calming Spot Patch (78EA), which adds tea tree oil and heartleaf/cica extracts rather than niacinamide.

Choose COSRX Master Patch X-Large over SKIN1004 Spot Cover Patch if you need single-placement coverage for a cluster of blemishes: one 30x60mm oval patch over several spots in one area, instead of applying multiple small round patches side by side.

If your breakout is a cluster of 3+ surfaced spots close together: this product's single-placement coverage saves you from applying several small patches. If your breakout is one isolated small pimple: the smaller SKIN1004 or Pyunkang Yul patches will be more discreet and use less product per spot. If your skin is very oily and patches routinely lift for you: neither product solves that on its own — the fix is skin prep, not the brand of patch.

Don't upgrade to the X-Large if: you only ever get single, small pimples (a round patch is simpler and less visible); you specifically want a Centella-soothing formula (choose SKIN1004 instead); or you are buying based on the Niacinamide claim alone, since the concentration here is not disclosed and is very likely trace-level.

If you match the cluster-coverage need above, this is worth choosing. If not, a smaller round patch is simpler and equally effective for a single spot.

This product's PRIMARY function is: physically absorbing fluid from an already-surfaced blemish or cluster and sealing it from bacteria. You do NOT need this if you already own any unused hydrocolloid spot patches, of any brand — the absorption mechanism is the same across brands, and stacking two different patch brands offers no additional benefit.

Check your current stock of any spot patches before buying more; unlike a serum with a limited PAO window, unopened hydrocolloid patches generally have a long shelf life, so finishing an existing box first genuinely does not cost you anything.

Stacking assessment: No Benefit — owning multiple brands of hydrocolloid patch at once is pure duplication, not complementary coverage.

This product is sourced through authorized Korean distributors — primarily Craver Co., Ltd (South Korea), alongside other verified distribution partners. Craver is a major Korean beauty distributor and the parent company of SKIN1004, handling authorized distribution for multiple K-beauty brands. All products are shipped directly to Mauritius via verified channels.

For comprehensive information about how we verify authenticity, our layered verification system, and how to check your product at home, visit our dedicated Authenticity and Trust page.

Quick verification tips: check that the box carries a printed batch/lot code rather than a blank or handwritten one; genuine COSRX barcodes are typically laser-printed directly on the packaging rather than applied as a loose sticker; COSRX also runs an official authenticity/QR verification tool at official.cosrx.com/record, though older genuine stock predating that system may not carry a scannable code.

COSRX built its identity around a minimal, low-pH, "skin-friendly" formulation philosophy that predates the Amorepacific acquisition, and the brand still trades on that positioning today. The Master Patch line sits slightly outside that active-ingredient identity — it is a mechanical wound-care category, where COSRX's contribution is mainly format (an oval, larger-coverage shape) and a trace-level ingredient add-on rather than a new active-delivery innovation.

This exact SKU carries a real, verifiable aggregate rating of 4.6 out of 5 from approximately 195 ratings on iHerb, corroborated across independent searches. No dedicated Reddit thread specifically about this SKU was found in this research pass, so the themes below are drawn from aggregated review summaries rather than individually quoted, dated posts.

Common praise: the oval shape covering a cluster of blemishes in one placement rather than several small patches; good overnight adhesion, including on sensitive, inflamed skin; a thick, absorbent center with thinner edges that blend reasonably well; slim, resealable, hygienic packaging with no noticeable scent.

Common complaints: the edges — especially around curves like the nose or jawline — do not stick as well as the center and can lift; poor adhesion if applied over unabsorbed serum or moisturizer, or on oily, unprepped skin; lifting during talking, eating, or sweaty activity; and, as with any hydrocolloid patch, little to no effect on deep, unheaded cystic acne.

Sustainability: the outer card box is generally recyclable where card recycling is available locally; the inner plastic sheet and individual patches are not designed to be recycled and should go in general waste. This is not a refillable product format.

Does it work on cystic acne with no visible head? No. Hydrocolloid patches absorb fluid from a lesion that already has fluid on the surface; a closed, unheaded cystic bump has nothing there yet for the patch to draw out.

How long should I leave one on? Roughly 6-12 hours on an actively draining spot, or until it looks fully cloudy/saturated, whichever comes first — then replace with a fresh one if the spot is still active.

Can I wear it under makeup? Yes, once the patch is fully adhered — apply makeup gently around rather than directly over the raised edge for the most discreet look.

Does the Niacinamide in it actually do anything? It sits last in the ingredient list, which points to a trace inclusion rather than a treatment-strength dose — treat it as a marketing bonus, not the reason to choose this product over a plain patch.

What's the difference between this and COSRX's regular Acne Pimple Master Patch or Clear Fit Master Patch? Those two are plain, unmedicated round patches in mixed small sizes and carry no marketed active; this X-Large is a single oval, larger size with a confirmed trace Niacinamide addition, built for covering clusters rather than one small spot at a time.

Hydrocolloid

A gel-forming material (here, Cellulose Gum) that absorbs fluid and swells slightly as it does, used in wound-care dressings and spot patches alike.

Exudate

The fluid (pus, serous fluid) that a draining wound or blemish releases, which the patch absorbs.

Occlusive

Forms a sealed barrier over the skin that blocks air, water, and outside contamination from reaching underneath.

Niacinamide

A form of Vitamin B3 used in skincare to support the skin barrier and, at adequate concentration, reduce redness and fade dark marks.

Fairy dusting

The practice of adding a marketed ingredient at such a low concentration that it appears on the label but is unlikely to have a real clinical effect.

Estimated 1% line

The approximate point in an ingredient list, based on ordering rules, below which ingredients are typically present at under 1% concentration.

MFDS

Korea's Ministry of Food and Drug Safety, which classifies cosmetics as "Functional" (extra government-reviewed testing) or "General."

FA-Safe

Free of ingredients known to feed Malassezia yeast, the organism behind fungal acne/folliculitis.

Patch test

Applying a small amount of product to a discreet area of skin (inner forearm, behind the ear) for 24 hours before full use, to check for a reaction.

Every product sold by Adilsons Beauty is 100% genuine, sourced through authorized Korean distribution channels. Full details on our verification system: Authenticity and Trust.

Our team is available to help you build a routine, troubleshoot reactions, and answer ingredient questions. WhatsApp: +230 5 778 2336.

For in-depth skincare education, visit our blog at adilsons.mu/blogs/k-beauty or subscribe to our email to get our guided education series delivered to your inbox.

Coverage: Island-wide delivery (Mauritius).

Processing and Timing: Orders process in 1-2 business days; usually ready by Day 3 for pickup by our delivery partners/regional team. Partner collection can take up to 1 week. After pickup, delivery typically takes 1-5 business days (weekdays only).

Express: May be available by region; request on WhatsApp: +230 5 778 2336.

Liquids/Sensitive Items: Serums, toners, liquid makeup (and kits containing liquids) are pickup or door-to-door only; checkout enforces this.

Scheduling: Deliveries run by region on set schedules; we will contact you the evening before.

Pickup: Citadelle Mall pickup available.

Returns: No change-of-mind exchanges.

Refunds (Summary): For defective/damaged on receipt (report within 48h), wrong item, or manufacturing defect within 6 months. Refunds via bank transfer (7-10 business days); card refunds may incur a 5% processor fee (fee not charged for defects/order errors). Opened skincare/personal-care items are non-returnable (except if damaged on delivery).

Source of Truth: This is a quick snapshot. If anything differs, the policy pages are final.

Store Policies: For the most up-to-date information, please review our Shipping Policy and Refund Policy.

Best for: anyone who regularly gets clustered or jawline breakouts and wants one patch to cover several surfaced spots at once, rather than assembling several small round patches. It is also a reasonable everyday spot-rescue option for single larger blemishes, given its strong real-world iHerb rating.

Key benefits: genuinely large, single-placement coverage; strong, independently corroborated user satisfaction (4.6/5 from ~195 iHerb ratings); fragrance-free and low-risk across most skin types; discreet enough to wear under makeup once fully adhered.

Keep in mind: it only comes in one large size, so it is not the most economical or discreet choice for a single small pimple; the trace Niacinamide should not be the deciding factor; and, like every hydrocolloid patch, it does nothing for a closed, unheaded cystic bump.

Assessment: Suitable, with a general adhesive-sensitivity caveat. The confirmed INCI is fragrance-free, retinoid-free, and contains no exfoliating acids or irritant actives beyond a trace, non-aggressive Niacinamide.

The main consideration for treatment-sensitized skin is not the ingredient list but the adhesive itself, since skin undergoing cancer treatment can be more reactive to adhesives generally — patch-test on the inner forearm first.

Consult your oncology care team before introducing any new skincare products during treatment.

Sweat resistance and humidity performance: this is the single most relevant environmental factor for this product in Mauritius conditions — real user reports specifically describe the patch lifting at the edges during heavy sweating, talking, eating, or on unprepped oily skin. In hot, humid months, blot the area dry immediately before applying and check adhesion more frequently than you would in cooler, drier weather.