IUNIK TXA Niacinamide Narcissus PDRN Serum 40ml

100% Genuine (Adilsons policy) • Vegan-Friendly* • Fragrance-Free

PIH vs. PIE: brown/tan dark marks (PIH, excess melanin) respond to this serum's TXA/niacinamide/kojic-acid combination; red/pink marks (PIE, damaged capillaries) do not — that concern responds better to centella or time. If your marks are pink rather than brown, this serum is treating the wrong target.

Pros: both headline actives are well-corroborated at brand-stated concentrations, fragrance-free, gentle enough for twice-daily use for most people, PDRN/hyaluronic-acid/panthenol layer in hydration alongside the brightening actives. Caveats: "Narcissus PDRN" could not be independently mapped to a specific INCI entry this run; this is a very recently listed SKU with no independent third-party reviews yet.

Step 1 (When): AM and PM. Step 2 (How much): 2-3 drops or one full dropper. Step 3 (How): pat/press into skin after cleansing and toning; follow with moisturizer and, in the AM, sunscreen without exception.

Introduce this as the ONLY new product in your routine. Wait a full 14 days before adding anything else.

1. Cleanser → 2. Toner → 3. TXA Niacinamide Narcissus PDRN Serum → 4. Moisturizer → 5. Sunscreen SPF50+ PA++++ (non-negotiable). Pigmentation routines fail without daily SPF adherence — UV exposure directly re-triggers the melanin-production pathway this serum is working to calm down.

1. Cleanser(s) → 2. Toner → 3. TXA Niacinamide Narcissus PDRN Serum → 4. Moisturizer. This serum is gentle enough to sit as a Recovery-lane product in a 4-night skin-cycling framework, meaning it can be used on the nights you're NOT running a retinoid or exfoliating acid.

Technique: pat/press, don't rub. Wait time: 30-60 seconds before moisturizer is sufficient — unlike a low-pH acid exfoliant, TXA and niacinamide don't require a long pH-dependent absorption window.

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, 10-15 min before sunscreen outdoors. Amount defaults: toner 5-8 drops, serum 2-3 drops, moisturizer 1-2 peas, sunscreen 2-finger rule. If the routine pills, stings, or feels heavy, reduce layers, not increase.

AM Maximum Stack: Rinse/Gentle Cleanse (optional) → pH-Prep Toner (optional) → Hydrating Toner Layers (optional) → Essence (optional) → Booster/Soothing Serum (optional) → Antioxidant Lane (choose one, e.g. Vitamin C — pick one antioxidant product, not two) → Pigment Support Lane (this serum) → Hydration Serum Lane (optional) → Moisturizer → Sunscreen SPF50+ PA++++ (non-negotiable).

PM Maximum Stack: Oil Cleanser/Balm (if wearing SPF/makeup) → Water Cleanser → pH-Prep Toner (optional) → Hydrating Toner Layers (optional) → Soothing/Barrier Serum (optional) → Anchor Product (a retinoid or exfoliant, on its own lane nights) OR this serum (on Recovery-lane nights) → Moisturizer → Occlusive Seal (optional). Do not layer retinoids with AHA/BHA the same night; keep "one lane" per night.

One-lane rule: Retinoid OR Exfoliation OR Strong Vitamin C OR Acne-control active per routine; barrier/hydration (and this serum) can always accompany. If unsure, default to the safest lane and reduce layers.

This is a lightweight "water capsule" gel-serum — apply after toner/essence and before moisturizer. Its watery-to-light-gel texture layers cleanly under both gel and cream moisturizers without a mandatory long wait.

Hyperpigmentation (PIH): Tranexamic Acid inhibits the plasmin pathway that triggers melanocyte activation, while Niacinamide inhibits melanosome transfer from melanocytes to keratinocytes — two different mechanisms working on the same end result. Dullness: the supporting Glutathione/Kojic Acid/Ubiquinone blend adds a secondary antioxidant-brightening layer.

What this product cannot do: it cannot fade PIE (red/pink marks from capillary damage) — that needs centella, time, or in some cases laser treatment. It also cannot lighten your natural skin tone; brightening means fading excess pigment, not changing your baseline complexion.

Sunscreen (mandatory): primary — Beauty of Joseon Relief Sun: Rice + Probiotics. Alternatives: SKIN1004 Hyalu-Cica Water-Fit Sun Serum, Anua Heartleaf Silky Moisture Sun Cream, SKIN1004 Tone Brightening Tone-Up Sunscreen.

Cleanser: primary — IUNIK Centella Bubble Cleansing Foam. Alternatives: APLB Glutathione Niacinamide Facial Cleanser, Beauty of Joseon Green Plum Refreshing Cleanser, IUNIK Beta Glucan Barrier Ampoule Cleanser.

Moisturizer: primary — IUNIK Centella Calming Gel Cream. Alternatives: IUNIK Beta Glucan Daily Moisture Cream, Anua Birch Moisture Boosting Cream, Anua Peach 77% Niacin Conditioning Milk.

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

× High-% Niacinamide products layered together: if you're already using another niacinamide-forward product, stacking two doesn't add meaningfully more benefit and can occasionally trigger flushing in reactive skin. Instead: pick one niacinamide product as your primary and use the other on alternate days if you own both.

× L-Ascorbic Acid (pure Vitamin C): generally compatible in modern formulas, but wait 10-15 minutes after Vitamin C before this serum if you notice any flushing, or split Vitamin C AM / this serum PM.

× Retinoids/AHA-BHA: no direct conflict — this serum is gentle enough to run alongside an active-acid or retinoid routine on separate lane nights, since it isn't itself an exfoliant.

Universal rule: if you break a rule, don't "push through" irritation — reduce frequency or split AM/PM. If moisturizer stings or skin feels tight, pause all actives and run barrier-only for 3-7 days.

Mauritius tap water hardness varies by region; hard water residue can leave skin feeling tight before this serum absorbs — a pH-adjusting toner beforehand helps it apply more evenly.

*Adenosine sits well below the estimated 1% line in the aggregated INCI, so any wrinkle-improvement framing should be read as a minor, supporting-tier inclusion rather than a headline benefit of this serum.

Full INCI (aggregated from a single detailed retailer-listing transcription this run, corroborated only for the named actives elsewhere — a lower-confidence source than a direct ingredient-database read): Water, Butylene Glycol, Niacinamide, Tripropylene Glycol, Tranexamic Acid, Caprylic/Capric Triglyceride, 1,2-Hexanediol, Hydroxyacetophenone, Sodium Polyacryloyldimethyl Taurate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, [--- Estimated 1% Line ---] Allantoin, Panthenol, Ethylhexylglycerin, Adenosine, Disodium EDTA, Pentylene Glycol, Arginine, Acacia Senegal Gum, Ubiquinone, Xanthan Gum, Madecassoside, Hydroxypropyl Guar, Decyl Glucoside, Peat Water, Citric Acid, Caprylyl Glycol, Tremella Fuciformis Sclerotium Polysaccharide, Glycerin, Hydroxypropyl Methylcellulose, C12-14 Alketh-12, Sodium Hyaluronate, Arbutin, Glutathione, Kojic Acid, Potassium Sorbate, Sodium DNA, Chlorella Ferment, Hibiscus Rosa-Sinensis Flower Extract.

*The brand marketing term "Narcissus PDRN" could not be independently confirmed as corresponding to a specific INCI entry this run (Sodium DNA is the closest PDRN-family match in the aggregated list, but this link was not confirmed for this SKU specifically) — noted as an open question rather than asserted as fact.

Fragrance-Free — no Parfum/Fragrance entry in the aggregated INCI, consistent with the brand's "free from artificial colors and fragrances" claim. No EU26-listed fragrance allergen detected. Alcohol-Free.

Halal: *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 aggregated ingredient list. This is NOT a formal Halal certification. Muslims with stricter requirements should consult their own scholars.

Vegan: brand states this is a vegan serum. *Self-assessed by Adilsons based on available INCI data; not independently certified by The Vegan Society or equivalent body.

Cruelty-Free: *Brand-stated policy. Not independently certified by Leaping Bunny, PETA, or equivalent third-party audit.

Microplastic-Free: Yes — Acrylates/C10-30 Alkyl Acrylate Crosspolymer and Sodium Polyacryloyldimethyl Taurate are water-swellable thickeners, not solid particulate microplastics.

MFDS Classification: Not confirmed — Niacinamide at 10% and Arbutin's presence make a Functional Cosmetic (whitening) registration plausible but unverified for this SKU. Whitening translation: the Korean "미백" (mibaek) classification means regulation of melanin production — fading dark spots to reveal your natural tone, not bleaching or changing your natural complexion. Evidence confidence: High for TXA/Niacinamide's general pigmentation mechanism (well-published ingredient-class evidence); Marketing-Only* for "Clinically tested" with no disclosed protocol.

Assessment: Low — the lightweight gel texture generally layers cleanly; minor pilling risk only if stacked under a very heavy silicone product without a wait period.

Fresh product should match the brand's described translucent black "water capsule" appearance; separation or an unexpected color/texture shift signals spoilage. Store away from direct heat and sunlight — Kojic Acid and Glutathione are both oxidation-sensitive antioxidant-family ingredients, so a hot bathroom shelf can degrade them faster than the labeled shelf life assumes. Discard if the texture separates and won't remix.

Patch test on the inner forearm for 24 hours, then behind the ear for 24 hours, before full facial use. Stop immediately and seek care for hives, swelling, blistering, persistent burning, or breathing difficulty.

1) Skipping daily SPF — this single mistake undoes most of what this serum is trying to do. 2) Expecting overnight results — TXA/niacinamide brightening works over 8-16 weeks. 3) Stacking multiple niacinamide-forward products expecting faster fading. 4) Treating red/pink PIE marks with this serum when they need a different mechanism entirely. 5) Applying more than 2-3 drops expecting faster fading — excess product doesn't absorb any faster.

At 2-3 drops per use, twice daily, a 40ml bottle typically lasts 6-8 weeks. Using more than the recommended amount doesn't speed up fading — it just shortens the bottle's life. Reorder about two weeks before you expect to run out.

This serum is the pigment-support step of a brightening routine — SPF is what makes it work, not the serum alone. AM: cleanse → toner → this serum → moisturizer → SPF. PM: cleanse(s) → toner → this serum → moisturizer.

If you're also running a Vitamin C serum, either layer them with a short wait (Vitamin C first, wait 10-15 minutes) or split Vitamin C AM / this serum PM if you notice any flushing. If your dark marks are pink or red rather than brown, this serum is treating the wrong concern — pair it instead with a centella-forward product for PIE.

Stock-true bundle: this serum + Beauty of Joseon Relief Sun + IUNIK Centella Calming Gel Cream forms a complete brightening-plus-protection routine.

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

The recommendations above are based on formulation synergy with this serum, 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 dark spots are stubborn and you want a higher-TXA option, Anua Niacinamide 10%+TXA 4% Dark Spot Correcting Serum carries double the Tranexamic Acid concentration (4% vs. this serum's 2%) at the same 10% Niacinamide.

Choose TXA Niacinamide Narcissus PDRN Serum over the Anua 4% TXA serum if you want a gentler starting concentration with added PDRN-family and hydration support, rather than maximum TXA strength.

If you're new to TXA or have reactive skin, this 2% concentration is the gentler starting point. If you've used 2% TXA for 8+ weeks without results and your marks are confirmed PIH, the 4% Anua alternative is a reasonable step up.

Don't switch if this serum is already working — doubling TXA concentration doesn't double the results, and unnecessary strength increases irritation risk without proportional benefit.

If you match the "already tolerating 2% well and want more" trigger, upgrading is worth considering. If not, this serum is sufficient. Consistency beats complexity.

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.

IUNIK's own official channels describe a brand-wide "HiddenTag Global" physical authentication tag on packaging, verifiable via the HiddenTag Global app — check for this tag on your unit.

IUNIK positions itself as an online-first, ingredient-led Korean skincare brand. This serum pairs a well-established brightening combination (TXA + Niacinamide) with a PDRN-family hydration layer, extending the brand's ingredient-led approach into a more clinically-oriented brightening category.

Community reviews for this specific product were not yet available in our research at the time of writing — this is a very recently listed SKU on Adilsons (added 2026-09-18).

Will this fade my acne scars? If the marks are brown/tan (PIH), likely yes over 8-16 weeks with consistent SPF. If pink/red (PIE), no — that needs a different mechanism.

Is 2% TXA strong enough? Yes for most users — TXA at 2-5% shows meaningful results in published literature; higher isn't automatically better.

Can I use this every day? Yes, both AM and PM is the intended use pattern.

Is it safe with Vitamin C? Generally yes in modern formulas; split AM/PM if you notice any flushing.

What is "Narcissus PDRN" exactly? The brand's marketed name for a Narcissus-flower-derived PDRN-type ingredient; this could not be independently mapped to a specific INCI entry this run, so it's disclosed as an open question rather than asserted as fact.

Tranexamic Acid (TXA)

A brightening active that blocks a signal pathway involved in excess melanin production.

Niacinamide

Vitamin B3, used for brightening, sebum regulation, and barrier support.

PIH

Post-inflammatory hyperpigmentation — brown/tan marks from excess melanin.

PIE

Post-inflammatory erythema — red/pink marks from damaged capillaries.

PDRN

Polydeoxyribonucleotide, a DNA-fragment ingredient marketed for regeneration/hydration.

MFDS

Korea's Ministry of Food and Drug Safety, which regulates "Functional" cosmetic claims.

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 with brown/tan PIH-type dark marks, dullness, or uneven tone who can commit to daily SPF. Key benefits: well-corroborated 2% TXA + 10% Niacinamide, fragrance-free, PDRN-family hydration layer, gentle enough for AM+PM use. Keep in mind: it will not fade PIE (red/pink) marks; results take 8-16 weeks; "Narcissus PDRN" as a distinct ingredient was not independently confirmed this run.