Numbuzin No.9 NAD Retinol Volumetox Eye Cream 10ml

Values: 100% Genuine (Adilsons policy) · Halal-Friendly* · Vegan-Friendly* · Fragrance-Free (based on the retrieved portion of the INCI)

*Self-assessed by Adilsons based on the retrieved portion of the declared ingredient list — see Section 26 for the full footnote.

Under-eye hollowing and crepey lines are one of the first places people feel like they're "aging overnight," and it's an area most routines skip because it feels too delicate to experiment on. This formula was built specifically to be gentle enough for that skin while still using a real, functional-strength active.

Pros: Genuine retinol dosed appropriately for delicate eye-area skin; Niacinamide at a plausible meaningful concentration; precise, low-mess syringe applicator; gentle first-use tolerance reported by reviewers.

Caveats: The 10ml fill is genuinely small (roughly 6-8 weeks of use); the headline NAD+ and "50 peptides" claims sit at trace, unverified concentrations; not usable during pregnancy or breastfeeding.

Classification: RED. This product contains Retinol, a clinical-grade active that drives faster skin cell turnover than prepubescent or teenage skin has any biological reason to need — younger skin already turns over quickly on its own, so adding a retinoid mainly adds irritation risk with no proportional benefit. It is not suitable for anyone under 16, and typically unnecessary until visible fine lines actually appear (usually mid-20s onward).

If a teenager or young adult wants eye-area care without a retinoid, two verified, actively-stocked, retinoid-free alternatives are the Purito SEOUL Wonder Releaf Centella Eye Cream Unscented (fragrance-free, centella-based) and the Medicube PDRN Pink Peptide Eye Cream (peptide-only, no retinoid).

Checklist:

• Bedside-compatible (no sink needed) — yes.
• Requires rinsing — no.
• Requires precise dosage — yes, but only a rice-grain amount, low cognitive load.
• Applicable with unwashed hands (in a pinch) — workable if hands are at least clean, though washing first is still better for a product going near the eyes.
• Requires wait time — minimal (10-20 seconds before moisturizer).
• Can it anchor a single-product routine — no, it needs a cleanser and daytime SPF around it to be safe.

On genuinely low-energy nights, this is one of the easier active products to keep up: no rinsing, one small dose, applied straight from the tube/syringe with a fingertip. It does not qualify as a true minimum-viable 2-3 product routine on its own, since retinoids still need a moisturizer to buffer and daily SPF the next morning to stay safe.

Step 1 (When): PM, after cleansing and any hydrating toner layers.

Step 2 (How much): One to two pumps of the applicator, dispensing a small, rice-grain-sized amount total — this is enough for both eyes.

Step 3 (How): Using your ring finger (the weakest, gentlest finger), gently pat — do not rub — the product around the orbital bone, staying at least 1cm from the lash line, until absorbed.

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 cleanser (if needed) → 2. Hydrating toner (5-8 drops, wait 10-20s) → 3. Antioxidant serum, if used (wait 30-60s) → 4. Lightweight moisturizer → 5. Eye cream — this product only if you are not also using it PM that same day; most users should reserve it for PM → 6. Sunscreen SPF50+ PA++++ (2-finger rule), waiting 10-15 minutes before makeup.

AM restriction: Retinol increases photosensitivity by thinning the outermost skin layer, and the eye area already has some of the thinnest, most UV-vulnerable skin on the face. If you do apply this in the morning on occasion, strict SPF is non-negotiable — most users are better served keeping this a PM-only step.

In Mauritius humidity, humectants like glycerin and butylene glycol (both present in this formula) pull water from the humid morning air rather than from deeper skin layers, which is part of why the texture feels comfortable even in a tropical AM routine.

1. Oil cleanser (if wearing SPF/makeup), massage on dry skin then emulsify with water → 2. Water-based cleanser → 3. Hydrating toner (optional) → 4. Soothing serum (optional) → 5. Numbuzin No.9 NAD Retinol Volumetox Eye Cream — pat around the orbital bone on fully dry skin → 6. Face moisturizer → 7. Occlusive seal (optional, if very dry).

Skin cycling integration: If you also run a facial retinoid or an AHA/BHA exfoliant elsewhere in your routine, this eye cream still counts as your night's "retinoid lane" for the eye area. On Exfoliation nights (Night 1 of a 4-night cycle), skip this eye cream and use a plain, barrier-supporting eye cream instead; use it on Retinoid nights (Night 2) alongside or in place of a facial retinoid.

Technique: Pat/press with your ring finger — do not rub. Rubbing creates friction on skin that is already thinner than the rest of the face, which increases irritation risk and can accelerate fine-line formation rather than reduce it.

Required skin state: Fully dry skin. Applying retinoids to damp skin increases penetration and, with it, irritation risk — this matters more around the eyes than almost anywhere else on the face.

Wait time: 10-20 seconds before your next step, longer (1-2 minutes) if you are new to retinol and want to reduce the chance of it migrating onto your moisturizer and diluting.

Hands deliver 100% of product. Cotton pads absorb approximately 30-40%. Always use a clean fingertip for this product, never a cotton pad.

Applicator note: Twist the base of the syringe-style applicator to unlock the plunger, dispense the small dose, then twist it back to lock before storing — this protects the remaining product (important given the small 10ml fill) from air exposure and accidental discharge.

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 — 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 minutes if going outdoors or applying makeup. Amount defaults (unless brand-specific guidance overrides): watery toner/essence 5-8 drops per layer; 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 max; sunscreen 2-finger rule for face, +1 finger for neck. Skin state rules: hydrators best on slightly damp skin; retinoids best on fully dry skin (if sensitive, wait 10 minutes after cleansing); exfoliating acids on dry or lightly damp depending on irritation, keep to one lane. 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/Balancing Toner (optional) → 3. Hydrating Toner Layers (1-3, optional) → 4. Essence (optional) → 5. Mist (optional) → 6. Booster/Soothing Serum (optional) → 7. Antioxidant Lane (optional, choose one) → 8. Pigment Support Lane (optional, choose one) → 9. Hydration Serum Lane (optional) → 10. Oil-Control/Sebum-Regulating Lane (optional, choose one) → 11. Peptides/Growth-Factor/Repair Lane (optional) → 12. Eye Serum/Cream → 13. Moisturizer → 14. Optional Sealing Layer (only if dry/AC) → 15. Sunscreen SPF50+ PA++++ (non-negotiable) → 16. Lip SPF (optional but ideal). In AM, prioritize comfort + SPF adherence over stacking. In high humidity, fewer layers often perform better.

PM Maximum Stack: 1. Micellar (optional pre-cleanse) → 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 Product: this Eye Cream] — apply on fully dry skin, wait 2-5 minutes before moisturizer if sensitive → 9. Targeted Serum (optional, only if not conflicting) → 10. Moisturizer → 11. Sleeping Mask (optional) → 12. Occlusive Seal (optional; avoid if clog-prone) → 13. Spot Treatment/Pimple Patch (as needed) → 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.

This is a medium-viscosity, silicone-finished cream — thicker than a serum but lighter than a dense night balm. Apply it after any watery toners/essences and before your face moisturizer and any occlusive seal.

Layering rule: thinnest to thickest, water-phase before oil-phase. This formula sits in the emulsion phase (an oil-in-water cream stabilized with Glyceryl Stearate, PEG-100 Stearate and several silicones), so it layers naturally between watery treatments and a heavier face cream.

The cream contains multiple volatile/cyclic silicones (Cyclopentasiloxane, Cyclohexasiloxane) and dimethicone derivatives, which give it a silky, fast-absorbing slip on first touch — do not be surprised if it feels lighter on skin than the tube's texture initially suggests.

Rest days: If you are new to retinol, start at 2-3 evenings per week rather than daily, and build up only once your skin shows no persistent redness or flaking after 2 weeks at that frequency.

Overuse warning: Once tolerant, daily PM use is reasonable for this gently-dosed formula, but exceeding once nightly does NOT produce faster results — it produces barrier damage, especially on eye-area skin, which is thinner and has fewer oil glands than the rest of the face.

Purging vs. Reaction: PURGING (rare for a retinol-only eye area, since there's little acne activity there) would show as small bumps in the usual area, resolving in 4-6 weeks. A REACTION — new redness, swelling, hives, or burning that worsens rather than improves — means stop immediately and follow the 72-Hour Barrier Reset below.

Prerequisites: Before starting this product, your routine MUST already include a daily SPF habit and a barrier-supporting moisturizer. Without these foundations, a retinoid around the eyes causes more harm (dryness, sensitivity, sun damage) than benefit.

Graduation ladder: Beginners or pregnancy-safe users should start with a bakuchiol-based option like the SKIN1004 Madagascar Centella Probio-Cica Bakuchiol Eye Cream or the HARUHARU WONDER Black Rice Bakuchiol Eye Cream (0.5% Bakuchiol, a plant-derived retinol-alternative). Once tolerant of gentle actives, this Retinol formula is the next step up; those who build full tolerance and want a faster-acting, more potent option can eventually consider the brand's own No.9 NAD+ Retinal Volumetox Eye Cream 20ml, which swaps retinol for retinaldehyde (a stronger, faster-acting Vitamin A derivative) in the same NAD+/peptide framework.

Barrier check: If your eye area currently stings when you apply moisturizer or looks visibly flaky, start instead with a plain centella eye cream like the Purito SEOUL Wonder Releaf Centella Eye Cream Unscented for 1-2 weeks before introducing this retinol formula.

Fine lines and crow's feet: Retinol accelerates keratinocyte turnover and, with consistent use, supports collagen signaling in the dermis — the mechanism behind smoother-looking lines over weeks, not days.

Dark circles: Niacinamide (well above the estimated 1% line in this formula) can reduce the appearance of pigment-related dark circles by inhibiting melanosome transfer, though it does nothing for dark circles caused by visible blood vessels or genuine volume loss/shadowing.

Loss of firmness/volume ("Volumetox"): The brand markets NAD+ and a peptide complex for this, though as detailed in Section 23 below, neither appears at a concentration in the disclosed INCI that independently supports a strong volumizing claim — Retinol and Niacinamide are doing the verifiable heavy lifting here.

What this product cannot do: It cannot physically fill deep tear-trough hollows the way a dermal filler can, cannot remove genuine under-eye bags caused by fat pad herniation, and cannot lighten dark circles caused by visible blood vessels showing through very thin skin.

1. Numbuzin No.9 NAD Bio Lifting Essence 50ml (primary pairing, per the brand's own guidance) — apply this essence to the whole face, including lightly around the eye area, before the eye cream for an extra lifting layer in the same NAD+/peptide family. Use AM or PM.

2. Numbuzin No.9 NAD+ Collagen Under Eye Patches — use once or twice weekly as a 15-20 minute intensive boost before your regular eye cream routine; the patches deliver a concentrated single-use dose, while this cream carries the daily maintenance active.

3. Numbuzin No.9 NAD+ 9 Peptides Dewy Sun Essence — your essential AM step; any retinol user needs strict SPF, and this stays in the same No.9 active family. Apply as your final AM step over the eye area with the 2-finger rule.

4. Numbuzin No.9 NAD PDRN Glow Boosting Toner 150ml — a hydrating first step earlier in the PM routine (note: stock on this specific item was very low at time of writing, so confirm availability before building a routine around it).

Pilling pairs: Layering this cream under a heavy, silicone-based face primer or a thick occlusive balm can cause pilling around the eyes. Mitigate by waiting a full 60 seconds after this cream before applying anything on top, and pat rather than rub the next layer in.

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

Universal rules: Run only one primary "active lane" (Retinoid OR Acid Exfoliation OR L-Ascorbic Acid Vitamin C OR Benzoyl Peroxide) per AM or PM routine. If you break a rule, don't push through — reduce frequency, split AM/PM, or alternate nights. If moisturizer stings or skin feels tight within 30 minutes of cleansing, pause all actives and run barrier-only for 3-7 days.

× AHAs/BHAs (a separate exfoliating toner or serum): Never use on the same night as this eye cream, even though this is only an eye-area product — many people apply their AHA/BHA toner across the whole face, including near the eyes. Instead: skin-cycle it (exfoliant one night, this eye cream the next, then 1-2 recovery nights), or use each on separate days entirely.

× L-Ascorbic Acid (pure Vitamin C): Don't apply near the eyes in the same routine as this cream. Instead: Vitamin C in the AM, this retinol eye cream at night — the classic, low-conflict split.

× A facial retinoid you're already using elsewhere (prescription tretinoin/adapalene, or another OTC retinol): If you are currently using a prescription retinoid on your face, consult your dermatologist before adding this eye cream — stacking two retinoid sources, even at low doses, raises cumulative irritation risk on skin this thin.

Scheduling template (AM/PM Split, most common): AM — Antioxidant lane (Vitamin C) → Moisturizer → SPF. PM — Retinoid lane (this eye cream, and a facial retinoid if used) → Moisturizer.

Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night. If unsure, default to the safest lane: barrier/hydration, and reduce layers.

Assessment: Uncertain / Film-Forming-Leaning. This cream contains several silicones (Cyclopentasiloxane, Cyclohexasiloxane, Dimethicone, Vinyl Dimethicone) alongside oils and butters, which can leave a light film on skin rather than allowing water to fully contact the surface immediately after application.

Because the eye area covered by this product is small and outside the primary ablution zones some scholars emphasize, many users find it a lesser concern than a full-face cream — but the film-forming ingredients are real and worth knowing about.

Removal method: If you wish to be cautious, gently cleanse the immediate eye area with water before wudu, or apply this cream after your last prayer of the night instead of before.

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: "Eye creams need to be way gentler than face products, so this retinol formula must be too weak to do anything." REALITY: Eye-area retinol is deliberately dosed lower than a facial retinol serum (typically well under 1%) precisely because the skin is thinner — a lower dose here is appropriate, not underpowered, for that specific area.

MYTH: "NAD+ in a skincare product works the same way NAD+ supplements or IV therapy do." REALITY: Topical NAD+ is a large, chemically unstable molecule with limited unassisted skin penetration industry-wide, and in this specific formula it sits at a trace, late-list concentration — treat it as a supporting marketing story, not the product's real active driver.

MYTH: "If a little retinol works, more/more often will work faster." REALITY: Retinoids work on a saturation curve — beyond your skin's tolerance threshold, more frequent or heavier application produces redness and flaking, not faster results.

AC environment warning: The glycerin and butylene glycol in this formula are humectants — in air-conditioned environments, they can draw moisture from your deeper skin layers instead of from the air. Seal this cream with your regular face moisturizer when spending extended hours in AC.

Sugar cane burning season (July-November): PM2.5 increases during this period. Since this cream is applied only at night and absorbs into a silicone-smooth (not tacky) finish, daytime particulate adhesion is not a major concern for this specific product.

Hard water note: This is a leave-on eye cream, not a rinse-off product, so Mauritius's regional hard-water residue is not directly relevant here — it matters more for your cleanser and toner steps.

*NAD+ appears below the estimated 1% line in the INCI list, suggesting it is present at a trace/sub-efficacious concentration for the "volumizing" story built around it. Its inclusion may be primarily for marketing rather than clinical effect. The brand's "50 peptides" claim likewise has no single, distinctly-named peptide-complex ingredient identifiable in the retrieved portion of the INCI — treat that specific claim as unverified.

Full INCI list (partial — see confidence note below): Water, Butylene Glycol, Glycerin, Propanediol, Macadamia Integrifolia Seed Oil, Niacinamide, Olea Europaea (Olive) Fruit Oil, Cetyl Ethylhexanoate, Methylpropanediol, Butyrospermum Parkii (Shea) Butter, Methyl Hydrogenated Rosinate, Polysorbate 60, Cyclopentasiloxane, 1,2-Hexanediol, Cetyl Alcohol, Stearic Acid, Glycereth-26, Glyceryl Stearate, Dimethicone, PEG-100 Stearate, Cyclohexasiloxane, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/VP Copolymer, Sorbitan Stearate, Behenic Acid, [--- Estimated 1% Line ---] Cocos Nucifera (Coconut) Oil, Hydroxyacetophenone, Polyacrylate-13, Vinyl Dimethicone, Batyl Alcohol, Dimethicone/Vinyl Dimethicone Crosspolymer, Phytosteryl Isostearate, Polyisobutene, Ceramide NP, Nicotinamide Adenine Dinucleotide, Caprylic/Capric Triglyceride, Macadamia Ternifolia Seed Oil, Citric Acid, Retinol, Ethylhexylglycerin, Polyglyceryl-4 Oleate, Adenosine, Hydrolyzed Gardenia Florida Extract, Hydrolyzed Malt Extract, Hydrolyzed Viola Tricolor Extract, Theobroma Cacao (Cocoa) Seed Extract.

*Confidence note: only around 44 of a brand/aggregator-claimed ~118 total ingredients could be retrieved this pass — every primary aggregator site (INCIDecoder, CosDNA, skinsort, the brand's own US site) was blocked by our research tooling's network access, so this list is built from search-engine summaries of those pages rather than a directly-read source. The remaining ~74 ingredients, and the exact placement of the estimated 1% line, should be treated as unverified until a future pass can confirm them directly.

Preservative system: 1,2-Hexanediol and Ethylhexylglycerin — both common multifunctional preservative-boosting ingredients, no parabens identified in the retrieved portion.

Fragrance status: No "Fragrance"/"Parfum" ingredient appears in the retrieved ~44-ingredient portion of the INCI, and no reviewer mentioned a scent — treat as likely Fragrance-Free, with the caveat that roughly 74 further ingredients were not independently verified this pass.

Scent: No detectable scent reported by reviewers.

EU 26 allergen screen: None of the 26 EU-designated fragrance allergens (e.g. Linalool, Limonene, Citronellol, Geraniol, Eugenol, Benzyl Alcohol) appear in the retrieved portion of the declared INCI.

Alcohol disclosure: Fatty Alcohols Only (Cetyl Alcohol, Batyl Alcohol) — these are moisturizing, not drying. No ethanol-type "Alcohol" or "Alcohol Denat." found in the retrieved portion.

Halal: *Self-assessed by Adilsons based on available INCI data. No ethanol from fermentation and no obviously porcine- or haram animal-derived ingredients detected in the retrieved portion of the declared ingredient list (roughly 44 of a claimed ~118 total). This is NOT a formal Halal certification. Muslims with stricter requirements should consult their own scholars.

Vegan: *Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected in the retrieved portion of the declared ingredient list. This is NOT a formal vegan certification by The Vegan Society or equivalent body, and roughly 74 further ingredients could not be independently verified this pass.

Cruelty-free: *Brand-stated policy (no animal testing, per general retailer/blog sourcing on numbuzin). Not independently certified by Leaping Bunny, PETA, or an equivalent third-party audit. Whether numbuzin retails in Mainland China, where post-market animal testing can be legally required, was not confirmed this pass.

Microplastic status: No solid synthetic polymer microbeads detected in the declared INCI. The formula does contain volatile/cyclic silicones (Cyclopentasiloxane, Cyclohexasiloxane) — these are liquid, not solid particles, so they fall outside the standard microplastic-bead definition, though some environmental researchers separately flag cyclic silicones for wastewater persistence.

MFDS classification: Not confirmed as a Korean MFDS-registered Functional Cosmetic for this specific SKU — treat as General Cosmetic unless evidence surfaces otherwise.

Clinical evidence: Multiple retailer listings attribute a brand-commissioned instrumental test (named "Global Medical Research Center") reporting a 105.77% reduction in the appearance of fine lines and a 106.04% improvement in under-eye volume after 4 weeks. *This is an unpublished, brand-commissioned clinical claim not independently verified or peer-reviewed; the percentages reflect a common Korean brand-testing convention for instrumentally-measured relative improvement, not a literal "105% fewer wrinkles."

Evidence confidence: Low-Medium. Niacinamide's and retinol's general mechanisms are well-established science; this specific product's clinical claim and its NAD+/peptide marketing story remain unverified beyond brand-repeated copy.

Naming note: This store also separately carries a newer, genuinely different sibling — the No.9 NAD+ Retinal Volumetox Eye Cream 20ml — which swaps Retinol for retinaldehyde (retinal), a stronger, faster-acting form of Vitamin A, in a larger 20ml tube format. These are two distinct products, not a repackaging of the same formula — do not assume they are interchangeable.

Fungal Acne Safety: FA-Conditional. The retrieved portion of the INCI contains several ingredients some Malassezia-feeding-ingredient lists flag as conditional: Coconut Oil (Cocos Nucifera), Olive Fruit Oil (Olea Europaea), Hydrogenated Lecithin, Polysorbate 60, Cetyl Ethylhexanoate, and Sorbitan Stearate. Because this product is applied in a tiny amount only around the eyes (not the forehead, jawline, chest or back where fungal folliculitis typically appears), practical risk is lower than a full-face product with the same ingredients — but periorbital-prone users should still patch test.

Assessment: Low-Medium. The silicone-forward finish generally layers cleanly, but stacking it under a heavy, film-forming eye primer or concealer can cause pilling.

Mitigation: Apply on fully dry skin, wait a full 60 seconds before your next layer, and pat rather than rub concealer over the area.

Color baseline: Retinol-containing formulas typically start off-white to pale yellow and can darken or develop a stronger odor if the retinol has oxidized — oxidized retinol is both less effective and can generate free radicals rather than neutralize them.

Storage: Keep away from direct bathroom heat/humidity and out of direct sunlight; retinol degrades faster with heat and light exposure. A bedroom drawer is a better storage spot in Mauritius than a steamy bathroom shelf.

Spoilage signs: Noticeable color darkening, a sour or strongly chemical smell, or texture separation. When in doubt, discard — this matters more for an active like retinol than for a plain moisturizer.

Patch test: Apply a small amount to your inner forearm and wait 24 hours, then behind your ear and wait another 24 hours, before your first application near the eyes.

If adverse reaction: STOP ALL ACTIVES. For 72 hours, use ONLY gentle cleanser + plain moisturizer + 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.

Pregnancy-safe alternatives (verified in-stock): SKIN1004 Madagascar Centella Probio-Cica Bakuchiol Eye Cream, HARUHARU WONDER Black Rice Bakuchiol Eye Cream, Medicube PDRN Pink Peptide Eye Cream, and Purito SEOUL Wonder Releaf Centella Eye Cream Unscented — none of these four contain a retinoid based on their disclosed ingredients. As with any skincare change during pregnancy, confirm with your own doctor before starting a new product.

1. Applying too close to the lash line — stay at least 1cm from the lower lash line to avoid migration into the eyes overnight.
2. Using it daily from day one instead of building up gradually.
3. Rubbing it in instead of patting — friction on this skin accelerates fine lines, not reduces them.
4. Skipping SPF the next morning, which undermines the entire anti-aging goal.
5. Using more than a rice-grain amount thinking "more is faster" — this both wastes the small 10ml fill and increases irritation risk.

Overuse threshold: More than once nightly, or heavier-than-rice-grain doses, risk barrier damage without added benefit.

Textile vector: If you apply this and go straight to a pillowcase, some product can transfer off before it's absorbed — apply at least 20-30 minutes before lying down if possible.

Usage math: At a rice-grain amount per night for both eyes, a 10ml fill is a genuinely small amount of product — multiple independent reviewer sources describe it running out in roughly 6-8 weeks even at correct, conservative dosing. This is a real, recurring complaint about this specific SKU, not an exaggeration.

Lifespan: Using more than the recommended rice-grain amount will exhaust the tube even faster without improving results — correct dosage is the only lever that extends how long it lasts.

Reorder timing: Given the roughly 6-8 week lifespan at normal use, plan to reorder around week 5-6 to avoid a gap in your routine, allowing for shipping time.

Under-eye fine lines respond to consistency more than intensity — this cream's job is to sit quietly in your PM routine every night, not to be the star ingredient you rotate in and out.

AM: 1. Cleanser (if needed) → 2. Antioxidant serum (optional) → 3. Moisturizer → 4. Numbuzin No.9 NAD+ 9 Peptides Dewy Sun Essence (2-finger rule), waiting 10-15 minutes before makeup.

PM: 1. Double cleanse → 2. Numbuzin No.3 Super Glowing Essence Toner → 3. This eye cream (rice-grain amount, patted around the orbital bone) → 4. Numbuzin No.1 Pantothenic B5 Active Soothing Cream as your face moisturizer.

If your skin is barrier-compromised right now: pause this eye cream and use a plain centella eye cream for 1-2 weeks first. If you are in AC all day: seal this cream with a slightly richer face moisturizer to counter the humectant-pulling effect described in the Climate Fit section. If you already use a facial retinoid: introduce this eye cream on the same nights, not extra nights, to avoid doubling your retinoid load.

Stock-true bundle (Complete No.9 Eye Routine): This eye cream + No.9 NAD Bio Lifting Essence + No.9 NAD+ 9 Peptides Dewy Sun Essence — apply the essence first at night for lifting support, this eye cream over it, and the sun essence every morning for SPF.

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

The recommendations above are based on formulation synergy with Numbuzin No.9 NAD Retinol Volumetox Eye Cream, 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 want eye-area firming without any retinoid at all — for pregnancy, sensitivity, or personal preference — the SKIN1004 Madagascar Centella Probio-Cica Bakuchiol Eye Cream uses Bakuchiol, a plant-derived retinol-alternative, as its firming active instead.

Three further verified, in-stock alternatives: HARUHARU WONDER Black Rice Bakuchiol Eye Cream (0.5% Bakuchiol), Medicube PDRN Pink Peptide Eye Cream (peptide-only), and Purito SEOUL Wonder Releaf Centella Eye Cream Unscented (centella, fragrance-free).

The trade-off: bakuchiol and peptide routes are gentler and pregnancy-compatible, but generally act more slowly and with a lower evidence ceiling than a genuine retinoid at the strength/timeline studies typically use.

Choose this Retinol eye cream over the bakuchiol/peptide alternatives if you need a proven retinoid mechanism: retinol has a much larger body of clinical evidence for fine-line improvement than bakuchiol currently does, even at a gentle eye-area dose.

Upgrade IF/THEN triggers:

• If you've used a bakuchiol eye cream for 8+ weeks with zero improvement in static lines, THEN this retinol formula is a reasonable next step.
• If you are barrier-compromised right now, THEN do not upgrade yet — repair barrier first.
• If you are pregnant or breastfeeding, THEN do not upgrade under any circumstance — use one of the four alternatives above instead.
• If you already use a facial retinoid and tolerate it well, THEN adding this eye-specific formula is a low-risk extension.
• If your skin flakes or stings within the first two uses, THEN step back down to the bakuchiol/peptide alternative rather than pushing through.

Timing & lane compatibility: PM only for most users; occupies the "Retinoid lane" described in the Conflict Solver above; do not combine with a same-night AHA/BHA or facial retinoid without spacing them out.

Don't upgrade if: your barrier is currently below threshold, you can't commit to daily SPF, you're pregnant or breastfeeding, or you're brand-new to actives generally and want to start gentler.

If you match 2 or more upgrade triggers above, THIS is worth choosing. If not, the alternative is sufficient and safer. Consistency beats complexity.

This product sits in the middle of a real strength ladder available in this catalog: gentle plant-based options (Bakuchiol eye creams) → this Retinol Volumetox Eye Cream (0.15%-0.25% estimated) → the brand's own No.9 NAD+ Retinal Volumetox Eye Cream 20ml (retinaldehyde, a stronger and faster-acting Vitamin A derivative). Move up only after several months of full tolerance at the current step, and never skip a rung if you have sensitive or reactive skin.

This product's PRIMARY function is: gentle retinol-based firming and fine-line smoothing for the eye area. You do NOT need this if you already own another retinoid eye cream you are actively using and tolerating well — finish that product before purchasing this one.

Inventory audit: Check for an open eye cream with a retinoid, bakuchiol, or peptide-firming active already in your routine. With a 12-month PAO, buying a second one while the first is still usable is genuine waste, especially given how small this 10ml fill already is.

Stacking assessment: No Benefit if you already use a facial retinol and simply apply it (carefully) near the eyes. Marginal Benefit if you use a peptide-only eye cream and want to add a genuine retinoid mechanism. Significant Benefit if your current routine has no eye-specific active at all.

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 for this SKU: Genuine packaging carries a clear "Made in Korea" origin label and sharp, correctly-aligned print — counterfeits have been reported with missing or incorrect origin labels and blurry printing. This exact SKU ships as a 10ml syringe-style twist-lock applicator, not a plain unmarked tube (numbuzin's genuinely different 20ml Retinal sibling does ship in a tube — that is a separate product, not proof either way about this one).

numbuzin built its identity around making product selection simple: instead of parsing marketing names, you pick a number tied to a goal — No.3 for texture, No.5 for dark spots, No.9 for anti-aging. Across the No.9 line specifically, our own research has repeatedly found the same pattern: NAD+ is the headline story on the label, while Niacinamide and Adenosine tend to be the ingredients doing the actual, verifiable work at real concentrations.

Reviews for this exact product were found on iHerb and referenced by several independent ingredient-analysis sites, though our research tooling could not directly load the primary review pages this pass (see the confidence note in the Ingredient Transparency section) — what follows is paraphrased from search-engine summaries of those reviews, not verbatim quotes.

Positive (iHerb, skin type not specified): One reviewer called it one of the best eye creams they'd used, noting it has no scent and the syringe applicator dispenses a precise, small amount.

Positive (iHerb, skin type not specified): Another reviewer reported real benefits from nightly use paired with a serum, describing the overall composition as good and saying they would repurchase.

Mixed/critical (aggregated across multiple sources): The most consistent complaint is the 10ml size — several sources independently describe it running out in about 6-8 weeks even at correct rice-grain dosing, and some early reviewers found the syringe-style applicator itself less convenient than a standard tube.

Common themes: Praise clusters around gentle, low-irritation first use and a rich-but-fast-absorbing texture; complaints cluster almost entirely around the small fill size relative to nightly use, not around irritation or lack of results.

Sustainability: Check the outer carton and applicator material for local recycling guidance; refillable status not disclosed by the brand.

How do I use the applicator? Twist the base to unlock the plunger, press once or twice to dispense a small, rice-grain-sized amount, then twist it back to lock before storing.

Is this safe to use during pregnancy? No. It contains Retinol, which is contraindicated during pregnancy and breastfeeding — see the Safety Notice at the top of this page and the pregnancy-safe alternatives listed in the Safety and Patch Test Protocol section.

How often should beginners use it? Start at 2-3 evenings per week and build up gradually as your skin adjusts, rather than using it nightly from day one.

How long does one tube actually last? Multiple independent sources report it running out in roughly 6-8 weeks at correct, conservative rice-grain dosing — plan your reorder accordingly given the small 10ml fill.

What's the difference between this and the "Retinal" version numbuzin also sells? This 10ml product uses Retinol; the separately-sold 20ml "No.9 NAD+ Retinal Volumetox Eye Cream" uses retinaldehyde (retinal), a stronger, faster-acting form of Vitamin A, in the same NAD+/peptide framework. They are two distinct, non-interchangeable formulas.

Retinol

A form of Vitamin A that speeds up skin cell turnover, commonly used to soften fine lines over time.

Retinaldehyde (Retinal)

A stronger, faster-acting relative of retinol, one conversion step closer to the skin's most active form of Vitamin A.

NAD+

A coenzyme involved in cellular energy production, marketed in skincare for anti-aging support, though its topical effectiveness is still being studied.

Niacinamide

A form of Vitamin B3 that helps brighten pigment-related dark circles and supports the skin barrier.

Adenosine

A skin-recognized ingredient officially recognized in Korea for reducing the appearance of wrinkles.

Ceramide

A lipid naturally found in skin that helps hold moisture in and keep irritants out.

PAO (Period After Opening)

The number of months a product stays safe and effective to use after you first open it.

Retinization

The temporary adjustment period (dryness, mild flaking) skin goes through when first starting a retinoid.

Fairy Dusting

Adding a marketable ingredient at such a low concentration that it has little to no real effect.

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 25+ noticing early fine lines or crow's feet around the eyes who wants a gently-dosed, genuine retinoid rather than a plant-based alternative, and who can commit to a consistent PM routine plus daily SPF.

Key benefits: A real, functional-strength retinoid dosed appropriately for the delicate eye area; Niacinamide at a plausible meaningful concentration for dark-circle support; a precise, low-mess syringe applicator; genuinely gentle first-use tolerance reported by reviewers.

Keep in mind: The 10ml fill is genuinely small and typically lasts only 6-8 weeks; the headline NAD+ and "50 peptides" claims sit at trace concentrations and are better understood as marketing than as the product's real active drivers; this product is not safe during pregnancy or breastfeeding.

Assessment: Not Suitable / Consult Oncologist. This product contains Retinol, a Vitamin A derivative that increases skin sensitivity and turnover — a combination many oncology teams advise avoiding during active cancer treatment, particularly alongside radiation or certain chemotherapy regimens that already thin and sensitize skin.

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

Quick version:

• Week 1-2 — introduce alone, 2-3 nights/week, monitor for irritation.
• Week 3-4 — increase toward nightly if stable.
• Week 5+ — add supporting products (serum, patches) only if your skin has stayed calm.
• If irritation appears at any point, use the 72-Hour Barrier Reset above rather than repeating these steps.

This product must be introduced as the ONLY new product. Wait 14 days before adding anything else.

Retinization note: Any initial dryness or mild flaking during weeks 1-2 is a temporary adjustment, not a sign to quit — reducing frequency (not stopping entirely) is usually the correct response.

Antioxidant support: Hydroxyacetophenone and the Cocoa Seed Extract in this formula have some antioxidant-adjacent properties, though neither is present at a disclosed concentration that supports a strong daytime pollution-defense claim on its own — pair with a dedicated Vitamin C or antioxidant serum earlier in your AM routine if pollution defense matters to you.

AC/humidity swing interaction: The glycerin and butylene glycol humectants in this formula perform best when ambient humidity is reasonably high; during long air-conditioned stretches, seal this cream with a richer moisturizer to prevent it drawing moisture from deeper skin layers instead.

Decision point (End of Week 2): Persistent redness or burning? YES → stay at the Week 1-2 frequency for 2 more weeks. NO → proceed to Week 3.