SNP Glutathione Dark Zero Eye Patch 60ea

Values you can verify: 100% Genuine (Adilsons sourcing policy). We could not verify Halal, Vegan, Cruelty-Free, or Fragrance-Free status for this product — see the Conscious and Permissible Formulation section for exactly what we checked and why we are not applying those badges.

PIH vs PIE note: under-eye discoloration is usually vascular/structural (thin skin showing blood vessels, or shadowing from tear-trough hollowing) rather than the melanin-based PIH this product's niacinamide can meaningfully address. If your "dark circles" are bluish and worsen with fatigue, this patch will hydrate and de-puff but will not erase the underlying vascular shadow.

Pros: genuinely cooling and de-puffing on application; wing/contour shape reported to adhere well to the under-eye curve; niacinamide sits high enough in the INCI to plausibly be doing real work. Caveats: the "Glutathione" in the name is present at a trace 1ppm dose, not a functional brightening concentration; contains a fragrance and a retinoid ester, so it is not the gentlest or most pregnancy-friendly patch in our catalog; some users report patches sliding if applied outside the exact under-eye curve.

Classification: YELLOW (14+ with guidance). The formula contains Retinyl Palmitate (a mild retinoid ester) and an undisclosed-but-prominent Niacinamide concentration — both are gentle by adult skincare standards, but a retinoid of any strength is not something we recommend for skin that has not yet finished puberty, since prepubescent skin has a thinner, less resilient barrier and does not yet produce the sebum/turnover changes retinoids are designed to modulate.

This is not youth-marketed packaging, so there is no packaging trap to flag. For teenagers 14+ dealing with tiredness-related under-eye puffiness (not pigmentation), this product is reasonable with adult guidance on patch-testing first.

Compatibility checklist: bedside-compatible (no sink needed) — yes. Requires rinsing — no. Requires precise dosage — no, it's a pre-cut patch. Applicable with unwashed hands — yes, provided you don't touch the gel side excessively. Requires wait time — 10-20 minutes is ideal but not mandatory. Can it be a single-product routine — yes, on nights you do nothing else.

Minimum viable routine position: this qualifies as a legitimate "I did something for my skin" action on a burnout night — peel, press, walk away. Sensory aversion check: the hydrogel is cool and slightly heavy on the eye area; if you dislike that sensation when exhausted, a lighter option like the heimish Matcha Biome Hydrogel Eye Patch uses a thinner gel base.

Step 1 (When): PM ideally, after cleansing and toning; AM is fine if you're not layering retinoids elsewhere that morning. Step 2 (How much): one pair per use — do not cut or stretch patches to cover more area. Step 3 (How): press gently onto clean, dry under-eye skin, smoothing from the inner to outer corner; leave 10-20 minutes, then pat in the remaining essence.

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. Gentle cleanse (if needed). 2. Hydrating toner. 3. Antioxidant serum (optional). 4. SNP Glutathione Dark Zero Eye Patch — press on for 10-20 minutes while you finish the rest of your routine, then remove. 5. Eye cream/moisturizer over the treated area. 6. Sunscreen SPF50+ PA++++.

In humid Mauritius mornings, humectants in this patch (Glycerin, Butylene Glycol, Sodium Hyaluronate) draw water from the humid air rather than pulling it from deeper skin — one reason the cooling, plumping effect feels stronger here than in a dry climate.

SPF mandate: because this patch contains a Vitamin C derivative and a retinoid ester, both of which increase the value of consistent morning SPF, do not skip sunscreen on days you use this in the AM.

1. Double cleanse (oil then water cleanser) if wearing makeup/SPF. 2. Toner. 3. Treatment serum (skip if using a retinoid elsewhere tonight — see Conflict Solver). 4. SNP Glutathione Dark Zero Eye Patch — apply for 10-20 minutes. 5. Moisturizer. 6. Occlusive seal (optional, dry/AC nights only).

PM use suits this product best: less squinting/movement to dislodge the patches, and the retinoid ester works alongside overnight skin repair rather than under sun exposure.

Technique: pat/press, do not rub — friction on this thin skin increases irritation risk and can degrade the patch's grip. Required skin state: clean and fully dry; a damp under-eye area makes the hydrogel slide. Wait time: 10-20 minutes is the brand-typical window; going longer risks the gel drying out and pulling moisture back from skin rather than into it.

Hands vs cotton pad: not applicable here — this is a pre-formed patch, not a liquid to dispense. After removal, pat any remaining essence into the skin with clean fingertips rather than wiping it away.

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 rules: viscosity ladder runs thinnest to thickest, water-phase before oil-phase, treatments before seals. Wait-time defaults: watery layers 10-20s, serum layers 30-60s, before sunscreen 10-15 min if going outdoors. Amount defaults: watery toner/essence 5-8 drops; serum/ampoule 2-3 drops or 1 pump; eye product ½ rice-grain per eye; gel moisturizer 1-1.5 peas, cream 1-2 peas; occlusive seal rice-grain to pea-size; sunscreen 2-finger rule for face, +1 finger for neck. Hard cap rule: if the routine pills, stings, or feels heavy, reduce layers, not increase.

AM Maximum Stack: 1. Rinse/gentle cleanse (optional) → 2. pH-prep toner (optional) → 3. Hydrating toner layers (optional) → 4. Essence (optional) → 5. Mist (optional) → 6. Booster/soothing serum (optional) → 7. Antioxidant lane (choose one) → 8. Pigment support lane (choose one) → 9. Hydration serum lane (optional) → 10. Oil-control/sebum lane (choose one, optional) → 11. Peptide/repair lane (optional) → 12. Eye product (this patch fits here) → 13. Moisturizer → 14. Optional sealing layer (dry/AC only) → 15. Sunscreen SPF50+ PA++++ (non-negotiable) → 16. Lip SPF (optional).

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

PM Maximum Stack: 1. Micellar pre-cleanse (optional) → 2. Oil cleanser/balm (if 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 → 9. Targeted serum (optional, non-conflicting only) → 10. Moisturizer → 11. Sleeping mask (optional) → 12. Occlusive seal (optional) → 13. Eye patch (this product) / spot treatment → 14. Lip sleeping mask (optional).

Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night.

Lane strictness: one-lane rule — Retinoid OR Exfoliation OR Strong Vitamin C (LAA) OR Acne-control active per routine; barrier/hydration can always accompany. If unsure: default to the safest lane (barrier/hydration) and reduce layers.

Rung: this is a standalone hydrogel patch, not a liquid layer — it sits in the "eye product" slot, applied after serums and before final moisturizer on the under-eye area specifically. Layering rule: apply to clean, product-free under-eye skin; layering serum underneath first can cause the patch to slip.

Phase compatibility: water-phase (glycerin/glucomannan/gum hydrogel base) — this means it plays well with other water-based serums but should be removed before applying any oil-based products to the same area.

Prerequisites: none — this is a low-commitment, standalone-friendly product suitable as a first eye-care step.

Primary targets: under-eye dehydration and dullness (hydrogel + Niacinamide + Sodium Hyaluronate); temporary puffiness (cooling/fluid effect on application). Secondary: mild antioxidant support from Ferulic Acid and Magnesium Ascorbyl Phosphate.

What this product cannot do: it cannot remove structural tear-trough hollowing, cannot lighten genuinely vascular (bluish) dark circles, and — despite the name — cannot deliver a meaningful glutathione-brightening effect, since Glutathione is present at only 1ppm in the formula we found.

Primary pick — Beauty of Joseon Dynasty Cream: a niacinamide-containing hanbang moisturizer to seal in the patch's hydration afterward; apply after removing the patch, AM or PM.

Alternative 1 — Anua Peach 77% Niacin Essence Toner: layer before the patch to reinforce the niacinamide-brightening lane; PM preferred.

Alternative 2 — Beauty of Joseon Calming Serum: a fragrance-free green tea/panthenol serum to buffer sensitive under-eye skin before the patch, useful if you found the patch's fragrance noticeable.

Alternative 3 — SKIN1004 Hyalu-Cica Water-Fit Sun Serum: if you use this patch in the AM, follow with this sunscreen to protect the Vitamin C derivative and support the brightening goal — brightening actives underperform without daily SPF.

Pilling note: this hydrogel patch does not pill, but heavy silicone-based eye creams applied immediately after removal can sit unevenly over any leftover essence residue — pat in the residue first, wait 60 seconds, then apply your next product.

This is a conflict-solver for ACTIVE ingredients. If you run multiple actives, use these rules to avoid irritation, deactivation, and barrier damage.

One Active Lane per routine: this product's actives (a mild retinoid ester and a gentle Vitamin C derivative) are both low-strength, but the same-lane rules still apply if you're combining with stronger products elsewhere in your routine.

• Retinyl Palmitate × a separate stronger retinoid (Retinol/Retinal/Tretinoin) elsewhere on your face: don't apply both the same night if you're sensitive — the eye area is thinner skin and more reactive. Instead: use this patch on nights you skip a facial retinoid, or apply the facial retinoid first and this patch only after it's fully absorbed.
• Magnesium Ascorbyl Phosphate × L-Ascorbic Acid (pure Vitamin C) elsewhere: generally low-risk since MAP is a stable, gentler derivative, but if you notice stinging, split to AM Vitamin C serum / PM this patch.
• Barrier override: if your under-eye skin stings when you apply this patch, stop and switch to a fragrance-free option like the heimish Matcha Biome Hydrogel Eye Patch until your barrier recovers.

Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night.

Assessment: Film-Forming (uncertain) during wear; Water-Permeable after removal. While the patch is on, the hydrogel sits as a physical film over the skin and would interrupt water contact for ablution. Once removed (per the 10-20 minute application window), the remaining thin layer of absorbed essence is water-based and should not meaningfully block water reaching the skin.

Removal method: peel the patch off and pat in the residual essence; no additional cleansing is typically needed before wudu.

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: "This product is named after Glutathione, so it must deliver a strong glutathione-brightening effect." REALITY: our research found Glutathione listed at 1ppm (0.0001%) in this formula's INCI — a trace, marketing-level inclusion, not a therapeutic dose. The niacinamide, positioned much higher in the ingredient list, is the more plausible active contributor.

MYTH: "Eye patches can permanently erase dark circles." REALITY: true dark circles are usually vascular (visible blood vessels through thin skin) or structural (tear-trough shadowing) — no topical patch changes bone structure or fixes visible blood vessels; patches address dehydration-related dullness and temporary puffiness only.

AC environment warning: in air-conditioned rooms for extended periods, the Glycerin/Sodium Hyaluronate in this patch can draw moisture from your deeper skin layers instead of the air. Always follow removal with a moisturizer if you'll be in AC for hours afterward.

*Clinical evidence for Retinyl Palmitate and this dose of Glutathione is based on in-vitro/general ingredient-class research, not a study on this specific product at this specific concentration. This does not mean the ingredients are ineffective — it means the evidence tier is lower and, for Glutathione specifically, the dose used here is far below levels studied for skin-brightening effect.

Delivery system: a glucomannan/carrageenan/carob-gum hydrogel matrix — no liposomal or encapsulation technology disclosed.

Full INCI list (source: third-party ingredient breakdown cross-referenced across multiple retailer listings for this exact SNP Glutathione Dark Zero patch; not independently lab-verified by Adilsons):

Water, Glycerin, Niacinamide, Potassium Chloride, Butylene Glycol, 1,2-Hexanediol, Glucomannan, Chondrus Crispus Powder, Pentylene Glycol, Ceratonia Siliqua (Carob) Gum, Xanthan Gum, [--- Estimated 1% Line ---] PEG-60 Hydrogenated Castor Oil, Glyceryl Caprylate, Allantoin, Calcium Titanium Borosilicate, Panthenol, Ethylhexylglycerin, Adenosine, Dextrin, Disodium EDTA, Hydroxyethylcellulose, Titanium Dioxide (CI 77891), Dipropylene Glycol, Fragrance, Magnesium Ascorbyl Phosphate, Citrus Junos Fruit Extract, Ferulic Acid, Tin Oxide, Retinyl Palmitate, Citrus Unshiu Peel Extract, Citrus Limon (Lemon) Fruit Extract, Rosa Canina Leaf Extract, Hydrolyzed Collagen, Arachis Hypogaea (Peanut) Oil, Glutathione, Diamond Powder, Sodium Hyaluronate, Tocopherol, Acetyl Hexapeptide-8.

*The estimated 1% line above is our own estimate based on typical formulation order, not a lab-verified cutoff — treat it as directional, not exact.

*Glutathione appears below the estimated 1% line (in fact at 1ppm) 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.

Preservative system: 1,2-Hexanediol, Pentylene Glycol, Ethylhexylglycerin, and Glyceryl Caprylate — a paraben-free multi-functional glycol/ester preservative system, common in modern K-beauty hydrogel formulas.

Fragrance status: contains Fragrance (Parfum) — this is not a fragrance-free product. Scent: reviewers describe it as noticeable/"can be a bit much" for some users; likely a masking fragrance rather than an aromatherapy-intent scent, given the citrus extracts (Citrus Junos, Citrus Unshiu, Citrus Limon) also present.

EU 26 allergen screen: the INCI lists a generic "Fragrance" entry without an allergen breakdown, so specific EU 26 allergens cannot be confirmed or ruled out from the declared list alone.

*Based on brand-declared INCI. The term "Fragrance" in the INCI list may contain undisclosed allergens. Patch test advised for sensitive individuals.

Alcohol disclosure: Alcohol-Free — no drying alcohol (Alcohol Denat., Ethanol) detected in the declared INCI.

Peanut allergy: this formula contains Arachis Hypogaea (Peanut) Oil. If you have a diagnosed peanut allergy, do not use this product without first patch-testing on your inner forearm and, if you have a severe/anaphylactic history, consulting your doctor first — topical peanut-oil reactions in peanut-allergic individuals are documented, even though this is not a food-ingestion product.

Shellfish/dust-mite cross-reactivity: no Snail Secretion Filtrate, Chitosan, or similar cross-reactive ingredients are present in this formula.

Halal: we cannot self-assess this product as Halal-compliant. The INCI contains Hydrolyzed Collagen, an animal-derived ingredient whose source species (bovine, porcine, marine, or other) is not disclosed by the brand. Muslims requiring Halal assurance should avoid this product or contact SNP directly for source confirmation before purchase.

Vegan: No. Hydrolyzed Collagen is an animal-derived ingredient; this product does not meet a vegan standard regardless of certification status.

Cruelty-free: we found no brand-published cruelty-free policy statement and no listing for SNP on PETA's or Leaping Bunny's public certified-brand databases during this research. Status: not confirmed either way — we are not applying a cruelty-free badge to this product.

Microplastic-Free: Yes — no polyethylene, nylon, or acrylate microplastic-forming polymers detected in the declared INCI.

MFDS classification: not confirmed as a registered Functional Cosmetic in Korea; treat as a General Cosmetic (no additional government efficacy testing confirmed) until evidence says otherwise.

Clinical evidence: no brand-published clinical trial (institution, sample size, duration) was found for this specific product. The brand's "Dark Zero" brightening claim is supported only by the general pharmacology of Niacinamide as an ingredient class, not a study on this formula.

Evidence confidence: Marketing-Only* for the "Glutathione brightening" claim specifically; Low-to-Moderate for the general de-puffing/hydrating claim, which is mechanistically plausible given the humectant-rich hydrogel base.

*Marketing-Only: this claim is not supported by independent evidence at the concentration used in this formula.

Naming note: Adilsons lists this SKU as an "Eye Patch," while several international retailers (Jolse, Amazon, testerkorea, ballagrio) list what appears to be the identical 60ea SNP Glutathione Dark Zero formula as a "Toning Patch." We have treated these as the same underlying product for this description and flagged the naming discrepancy for internal review.

FA safety: FA-Conditional. The formula contains PEG-60 Hydrogenated Castor Oil, an ingredient some fungal-acne-safety lists flag as a possible Malassezia-feeding ester at higher concentrations; its position mid-list suggests a moderate, non-trace amount. If you are highly fungal-acne-prone, patch test on your jawline first rather than assuming safety.

Assessment: Low. As a patch (not a liquid layer), this product does not pill in the traditional sense. The main texture issue reported by users is the patch losing adhesion if applied outside the exact under-eye curve or if the skin underneath isn't fully dry — press firmly along the edges immediately after application to mitigate this.

Color baseline: the hydrogel should be clear-to-translucent; any distinct yellowing or browning beyond the product's normal tone, or a sour/off smell, means discard rather than use — oxidized actives can generate free radicals rather than deliver benefit.

Storage: keep the tray sealed and away from direct bathroom heat/humidity between uses; Mauritius's ambient humidity can accelerate softening of the gum-based hydrogel matrix if the pack is left open.

Spoilage signs: patches that have become sticky/melted within the tray, an off smell beyond the product's normal citrus/fragrance note, or visible mold on the gel. When in doubt, discard.

Patch test: apply a small piece of the hydrogel to your inner forearm for 24 hours, then behind the ear for 24 hours, before your first full under-eye application — this is especially worth doing given the Fragrance and Peanut Oil content.

72-hour barrier reset: if you experience an adverse reaction, stop all actives. For 72 hours, use ONLY a 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, persistent burning, or breathing difficulty — seek emergency care immediately, particularly given the peanut oil content if you have any nut allergy history.

Pregnancy-safe alternatives verified in our catalog: the heimish Matcha Biome Hydrogel Eye Patch (niacinamide-led, no retinoid found in its formula) and the BIODANCE Vita Niacinamide Eye Patches (brand-disclosed 2% Niacinamide, no retinoid) are both currently in stock and retinoid-free based on their listed actives — always re-confirm ingredients directly if you have a specific medical concern.

1. Cutting or stretching patches to cover more area — thins the gel and reduces both adhesion and delivered dose. 2. Applying to damp skin, causing slippage. 3. Leaving patches on far longer than 20 minutes expecting better results — the gel can dry out and reverse-hydrate (pull moisture from skin) instead. 4. Assuming the "Glutathione" name means a strong brightening dose — it does not, at 1ppm. 5. Skipping a patch test despite the Fragrance and Peanut Oil content.

Overuse threshold: daily use is fine for this gentle formula; there is no evidence more than once daily improves results, and doing so mainly increases fragrance/retinoid exposure on thin skin without added benefit.

Usage math: 60 patches = 30 pairs = 30 individual uses at the recommended one-pair-per-use rate.

Lifespan: at daily use, this lasts approximately one month; at every-other-day use, approximately two months. Using more than one pair per session does not improve results and simply shortens how long the pack lasts.

Reorder timing: if using daily, plan to reorder roughly two weeks before you expect to run out, to allow for delivery time.

This patch is a targeted, 10-20-minute under-eye step, not a full routine on its own — it slots in after toner/serum and before your moisturizer, in either AM or PM.

AM: 1. Cleanse/toner → 2. SNP Glutathione Dark Zero Eye Patch (10-20 min while you do the rest) → 3. Moisturizer → 4. Sunscreen. PM: 1. Double cleanse → 2. Toner → 3. Treatment serum (if not conflicting) → 4. Patch (10-20 min) → 5. Moisturizer.

If you are prone to fragrance sensitivity: apply a fragrance-free calming serum, like Beauty of Joseon Calming Serum, to the under-eye area first as a buffer. If you're in AC for hours after removal: seal with Beauty of Joseon Dynasty Cream to stop the patch's humectants pulling moisture back out of your skin. If you're already using a facial retinoid at night: use this patch on your retinoid-free "recovery" nights rather than stacking two retinoid sources on the same night.

Stock-true bundle — Brightening Eye Trio: this patch + Anua Peach 77% Niacin Essence Toner + SKIN1004 Hyalu-Cica Water-Fit Sun Serum — apply the toner first, the patch over it at night or before the sunscreen in the AM, with SPF locking in daytime brightening efforts.

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

The recommendations above are based on formulation synergy with SNP Glutathione Dark Zero Eye Patch, 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 you specifically want a real, dose-disclosed brightening active rather than a trace-dose "Glutathione" name, the Abib Glutathione Kojic Acid Eye Patch Vita Jelly pairs Kojic Acid (a well-studied tyrosinase inhibitor) alongside its own glutathione content — we have not independently verified Abib's exact glutathione dose either, but Kojic Acid gives it a second, better-evidenced brightening mechanism this SNP formula lacks.

If you want a gentler, fragrance-forward-free option with no retinoid at all, the heimish Matcha Biome Hydrogel Eye Patch or the BIODANCE Vita Niacinamide Eye Patches (brand-disclosed 2% Niacinamide) are both currently in stock as lower-risk alternatives.

Choose SNP Glutathione Dark Zero over the Abib Glutathione Kojic Acid Eye Patch if you need broader multi-antioxidant support: this SNP formula combines a Vitamin C derivative (Magnesium Ascorbyl Phosphate) with Ferulic Acid and a retinoid ester (Retinyl Palmitate) in one patch, rather than concentrating on a single kojic-acid brightening mechanism.

IF you are dealing with general dullness and want an all-in-one antioxidant/mild-retinoid patch, THEN this SNP patch is a reasonable single pick. IF you are pregnant, nursing, or want zero retinoid exposure, THEN do not upgrade to this — choose the heimish or BIODANCE alternative above instead. IF you specifically want documented, higher-evidence pigment correction, THEN the Kojic-Acid-based Abib alternative is the better-evidenced pick for that single goal.

Don't choose this over the alternatives if: you are pregnant/nursing; you have a peanut allergy; you are fragrance-sensitive and want a zero-fragrance patch; or you already have a dedicated facial retinoid and don't want any additional retinoid exposure on the eye area.

If you match 2 or more of the "choose this" triggers above, this SNP patch is worth choosing. If not, one of the alternatives above is sufficient and, in the pregnancy/fragrance/allergy cases, safer. Consistency beats complexity.

For under-eye care, a reasonable strength ladder looks like: gentle niacinamide-only patches (heimish Matcha Biome or BIODANCE Vita Niacinamide) → this SNP patch (niacinamide + a mild retinoid ester + Vitamin C derivative) → a real-Retinal patch like the Beauty of Joseon Revive Under Eye Patch or ARENCIA Retinal Boosting Eye Mask for users who have tolerated retinoids well and want a stronger anti-aging step.

This product's PRIMARY function is: hydrating, cooling, mildly brightening under-eye care. You do NOT need this if you already own an unopened or barely-used hydrogel eye patch with niacinamide as a listed active — finish your current pack first, since patches typically carry expiry/use-by guidance and buying a duplicate wastes product life.

Stacking assessment: No Benefit if stacked with another niacinamide-led patch (same mechanism); Marginal Benefit if paired with a plain hydrating-only patch; Significant Benefit if paired with a genuinely different pathway product, like a Retinal-based patch for a stronger anti-aging step (see Graduation Pathway above) once you've tolerated this one well.

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 each pair of patches sits sealed within its own compartment in the tray (not loose or dried out), that the Korean-language ingredient panel on the box matches the INCI listed above, and that a batch/production code is printed on the packaging. If anything looks inconsistent, contact us via WhatsApp before use.

Brand: SNP ("Shining Nature Purity"). Parent Company: SD Biotechnologies Co., Ltd. Founded: 2008, South Korea. Philosophy: positions itself as a "Total Skin Solution" brand backed by an in-house SNP Skin Science R&D Institute, best known internationally for sheet masks and hydrogel patch formats.

SNP built its international reputation primarily through mask and patch formats sold widely through K-beauty retailers and marketplaces (Amazon, StyleKorean, Stylevana), rather than through a single hero-active franchise. This Glutathione Dark Zero line is one of several "Dark Zero"/brightening-positioned patch products in its current catalog.

We did not find a dedicated Reddit thread (r/AsianBeauty or r/SkincareAddiction) specifically discussing this exact product at the time of writing. Reviews were found aggregated across Amazon, Hwahae, and short-form video platforms.

Positive: one reviewer reported that after roughly two months of consistent use, most of their under-eye blemishes/discoloration had faded, describing the results as unusually fast for a patch product. Mixed: several reviewers noted the patches adhere well to the under-eye curve and deliver a strong de-puffing/cooling sensation, but described the price as steep relative to competitors. Critical: some reviewers reported the patches sliding or falling off if applied beyond the strict under-eye area (for example, extending onto the cheek), and a few found the scent stronger than expected; results specifically on vascular/pigmented dark circles (as opposed to general dullness) were described as inconsistent.

Common praise theme: adhesion and immediate cooling/de-puffing sensation. Common complaint theme: patch slippage outside the intended zone, and variable results on true dark circles.

Sustainability: the outer cardboard box is typically recyclable; check local guidance for the plastic tray insert. No refill format is available for this product.

Does this actually contain a meaningful amount of glutathione? No — our research found it listed at 1ppm (0.0001%), a trace amount far below what's typically studied for a brightening effect. The niacinamide, positioned much higher in the ingredient list, is the more credible active here.

Can I use this every day? Yes, daily use is fine for this gentle formula; there's no evidence more frequent use improves results.

Will this get rid of my dark circles? It depends what's causing them. If it's dehydration-related dullness, likely some improvement; if it's vascular (bluish, visible blood vessels) or structural (hollowing), no topical patch — including this one — can fix that.

Why does mine keep sliding off? This is a documented complaint from other users, usually linked to applying beyond the exact under-eye curve, or applying to skin that isn't fully dry. Press firmly along all edges immediately after placement.

Is this safe if I'm pregnant? No — see the Safety Notice at the top of this page. It contains Retinyl Palmitate, a retinoid, which we flag as a pregnancy contraindication regardless of dose.

Hydrogel

A water-based gel matrix (here, built from glucomannan, carrageenan, and gum thickeners) that holds its shape and delivers dissolved actives as it sits on skin.

Niacinamide

Vitamin B3; supports the skin barrier and can reduce the transfer of pigment-producing melanosomes to skin cells.

Retinyl Palmitate

An ester form of Vitamin A; a milder, slower-acting retinoid than Retinol or Retinal.

Magnesium Ascorbyl Phosphate (MAP)

A stable, gentler derivative of Vitamin C, less irritating than pure L-Ascorbic Acid but generally less potent per application.

Ppm (parts per million)

A concentration unit; 1ppm equals 0.0001% — an extremely small amount.

Fairy dusting

Including a marketable ingredient at such a low concentration it can't realistically produce its marketed effect.

FA-Conditional

An ingredient that may feed Malassezia yeast (linked to fungal acne) in some people at some concentrations, but isn't a guaranteed trigger for everyone.

PAO

Period-After-Opening; the number of months a product remains safe/effective once opened, usually shown as a jar icon with a number on the packaging.

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 wants a cooling, hydrating, mildly brightening under-eye patch for general tiredness and dullness, and who is not pregnant/nursing, not peanut-allergic, and not fragrance-averse.

Key benefits: genuinely cooling/de-puffing sensation; a niacinamide-forward formula positioned high in the INCI; good curve-adherent patch shape reported by users; multi-antioxidant support (Vitamin C derivative + Ferulic Acid).

Keep in mind: the "Glutathione" namesake ingredient is present at a trace 1ppm dose — buy this for the niacinamide and hydration, not the glutathione; it contains Fragrance, Peanut Oil, and a retinoid ester, so it is not suited to pregnancy, peanut allergy, or a strictly fragrance-free routine.

Assessment: Not Suitable for actively treatment-sensitized skin without oncology-team clearance. This formula contains both a synthetic Fragrance and a retinoid ester (Retinyl Palmitate), both of which are commonly advised against for skin undergoing chemotherapy or radiation, which is frequently more reactive and barrier-compromised than baseline.

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

Antioxidant pollution defense: Magnesium Ascorbyl Phosphate, Ferulic Acid, and Tocopherol (Vitamin E) in this formula provide real, named antioxidant support against free-radical stress from UV and general environmental exposure — useful context if you're using this patch in the AM before outdoor time.

AC/humidity swing interaction: the humectant load (Glycerin, Sodium Hyaluronate, Butylene Glycol) performs best in Mauritius's humid outdoor air but can reverse and pull moisture from skin during long stretches in air-conditioned rooms — always follow with a moisturizer if you'll be in AC for hours after removing the patch.