Tirtir MATCHA DUAL SERUM 50ml

Values: 100% Genuine (Adilsons policy) · Fragrance-Free · FA-Conditional (see Section 30B) · Vegan-Friendly*

If your skin looks flushed and feels parched at the same time, that combination — not two separate problems — is exactly what this serum's dual-layer design is aimed at addressing in one step.

Pros: real 5% Niacinamide (4th-listed in INCI, consistent with the claimed dose); genuine bi-phase delivery system, not just marketing language; Hyaluronic Acid complex (three molecular-weight forms) for layered hydration; non-sticky finish per an independent reviewer.

Caveats: the brand's marketed 2% Matcha-PDRN concentration sits at odds with Sodium DNA's late position in the independently retrieved INCI — flagged, not reconciled, in Section 23; large percentage claims like "319.6% moisture increase" likely reflect a very low irritated-skin starting point rather than an absolute multiplier; brand percentages are self-commissioned, not independently published.

Classification: GREEN (safe for all ages). Niacinamide at 5% and PDRN are both broadly considered gentle, well-tolerated ingredients with no age-specific contraindication, and there is no acid or retinoid content to flag.

Compatibility checklist: bedside-compatible — yes; requires rinsing — no; requires precise dosage — no, 2-3 drops is a rough estimate; the one extra step is shaking the bottle before each use, which takes seconds.

Minimum viable routine position: qualifies for a bare-bones routine (cleanser, this serum, moisturizer, SPF in AM) on a low-energy day.

Sensory aversion check: the "matcha latte" texture after shaking is described as non-sticky and cooling by an independent reviewer, so it shouldn't discourage use even on days when heavier textures feel unbearable.

Step 1 (When): AM and PM, after toner and before moisturizer.

Step 2 (How much): 2-3 drops after shaking the bottle to blend the two phases.

Step 3 (How): Pat gently into skin and wait 30-60 seconds before moisturizer.

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. Cleanser. 2. TIRTIR Matcha Skin Toner (5-8 drops). 3. TIRTIR Matcha Dual Serum (shake, 2-3 drops, wait 30-60s). 4. TIRTIR Matcha Calming Cream (1-1.5 peas). 5. Sunscreen SPF50+ PA++++, reapplied every 2 hours outdoors.

Mauritius humidity note: the Hyaluronic Acid complex in this serum performs well in humid mornings by drawing ambient moisture into the skin — but always seal it with the moisturizer step, since HA alone in dry indoor air can reverse-draw water out.

1. Double cleanse if wearing sunscreen/makeup. 2. Matcha Skin Toner. 3. Matcha Dual Serum (shake, 2-3 drops). 4. Matcha Calming Cream.

This is a Niacinamide/PDRN-lane product with no exfoliation or retinoid content, so it has no skin-cycling restrictions — use it nightly alongside whatever active rotation you run elsewhere.

Technique: shake first, every time — this is a genuine two-phase formula, not a cosmetic flourish, and skipping the shake means you're not getting the intended ratio of both layers.

Required skin state: apply to slightly damp skin after toner for the fastest, most even spread.

Hands vs. cotton pad: hands deliver 100% of the product; cotton pads absorb roughly 30-40% of it, so use clean hands.

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, serums 30-60s, 10-15 min before sunscreen if going outdoors. Amount defaults: toner/essence 5-8 drops, serum 2-3 drops or 1 pump, eye product half a rice-grain, gel moisturizer 1-1.5 peas, cream 1-2 peas, occlusive seal rice-grain to pea-size, sunscreen 2-finger rule for the face plus 1 finger for the neck. If the routine pills, stings, or feels heavy, reduce layers rather than adding more.

AM Maximum Stack: (1) rinse/gentle cleanse, (2) pH-prep toner, (3) hydrating toner layers, (4) essence, (5) mist, (6) soothing serum, (7) antioxidant lane (choose one), (8) pigment-support lane (choose one), (9) hydration serum lane (this product's slot, alongside its Niacinamide content), (10) oil-control lane, (11) peptide/repair lane, (12) eye cream, (13) moisturizer, (14) optional sealing layer, (15) sunscreen SPF50+ PA++++ (non-negotiable, reapply every 2 hours), (16) lip SPF. In AM, prioritize comfort and SPF adherence over stacking — in high humidity, fewer layers often perform better.

PM Maximum Stack: (1) micellar pre-cleanse if needed, (2) oil cleanser/balm if wearing SPF/makeup, (3) water cleanser, (4) pH-prep toner, (5) hydrating toner layers, (6) essence, (7) soothing/barrier serum, (8) anchor product (this product's slot), (9) targeted serum if non-conflicting, (10) moisturizer, (11) sleeping mask, (12) occlusive seal, (13) spot treatment as needed, (14) lip sleeping mask. Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night.

Lane strictness: 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.

Tier: light fluid once shaken — apply after watery toners/essences, before moisturizer.

Phase compatibility: a genuine two-phase (bi-phase) emulsion — a lighter, ester-based emollient layer (Triethylhexanoin, Hydrogenated Polydecene) sits atop a water-based Niacinamide/HA layer, which is why shaking to combine them matters more here than for a standard single-phase serum.

Rheological note: the two layers separate visibly in the bottle when it sits still. This is by design, not spoilage — a normal bi-phase behavior, not a sign the product has broken down.

Prerequisites: none — this is a foundational hydration/calming serum suitable as an early addition to most routines.

Redness: Matcha-PDRN is positioned for calming and capillary-level comfort, layered with Madecassoside for barrier support.

Dehydration: a three-form Hyaluronic Acid complex (Hydrolyzed HA, HA, Sodium Hyaluronate) targets both surface and slightly deeper hydration layers.

Dullness/uneven tone: 5% Niacinamide inhibits melanosome transfer from melanocytes to keratinocytes, gradually evening tone with consistent use.

What this product cannot do: it cannot lighten your natural skin tone — brightening means fading excess pigment, not changing your natural complexion; it also cannot substitute for a dedicated pigment-correcting serum (TXA, arbutin, azelaic acid) if dark spots, not redness, are the primary complaint.

1. TIRTIR Matcha Skin Toner — preps skin with the same Matcha-PDRN family before this serum. AM/PM.

2. TIRTIR Matcha Calming Cream — seals this serum's hydration and continues the redness-calming mechanism. AM/PM.

3. TIRTIR Matcha Pack Cleanser — completes the full Matcha routine at the cleansing end. PM, 2-3x/week.

4. Beauty of Joseon Relief Sun: Rice + Probiotics SPF50+ — a lightweight sunscreen that layers cleanly over this serum's non-sticky finish. AM only.

Pilling pairs: avoid stacking with another heavy humectant serum right before a silicone-forward sunscreen — wait the full 30-60 seconds and pat, don't rub, before the next layer.

Chronic stress elevates cortisol, which increases inflammatory signaling and trans-epidermal water loss — the same redness-plus-dehydration pattern this serum's PDRN and HA complex are aimed at addressing. On visibly stressed weeks, keeping this step consistent (rather than skipping serum when busy) matters more than usual, since stressed skin needs more barrier support, not less.

Permeability: Film-Forming (uncertain). The emollient ester layer (Triethylhexanoin, Hydrogenated Polydecene) and the Ammonium Acryloyldimethyltaurate/VP Copolymer thickener suggest a light film may form, though this is a fluid serum rather than an occlusive cream.

A thin application that's fully absorbed (no visible sheen) is more likely to allow water contact during ablution than a heavier layer.

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: "The two layers separating means the product has gone bad." REALITY: bi-phase serums are designed to separate at rest — shake before every use rather than assuming spoilage.

MYTH: "5% Niacinamide will bleach or dramatically lighten my skin tone." REALITY: Niacinamide fades excess pigment and evens tone gradually — it does not change your natural complexion or "bleach" skin.

AC environment warning: in air-conditioned environments, the Hyaluronic Acid complex in this serum can draw moisture FROM your deeper skin layers instead of from the air. Always seal it with a moisturizer when in AC for extended periods.

Hard water note: if your cleanser or toner leaves a tight, filmy feel from Mauritius's hard tap water, this serum's HA and PDRN content helps re-hydrate afterward, though a pH-adjusting toner is still the more direct fix for the mineral residue itself.

*Emerging: PDRN/polynucleotide skincare evidence is a genuinely active research area but concentration-specific, product-specific clinical data for this exact serum was not independently found this round.

Full INCI (as independently retrieved, partial list — the source notes "plus additional ingredients" beyond this point):

Aqua/Water/Eau, Triethylhexanoin, Methylpropanediol, Niacinamide, Butylene Glycol, Hydrogenated Polydecene, Propanediol, 1,2-Hexanediol, Trilaureth-4 Phosphate, [--- Estimated 1% Line ---] Glycerin, Hydroxyacetophenone, Ammonium Acryloyldimethyltaurate/VP Copolymer, Gardenia Florida Fruit Extract, Dextrin, Pentylene Glycol, Ethylhexylglycerin, Adenosine, Trisodium Ethylenediamine Disuccinate, Madecassoside, Hydrolyzed Gardenia Florida Extract, Hydrolyzed Malt Extract, Hydrolyzed Viola Tricolor Extract, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate, Colloidal Sulfur, Decyl Glucoside, Squalane, Theobroma Cacao (Cocoa) Seed Extract, Caprylyl Glycol, Camellia Sinensis Leaf Extract, Sodium DNA, and further ingredients not retrievable in this research pass.

*The estimated 1% line placement above is inferred from typical serum-formulation order, not independently confirmed against the brand's own disclosure. Note the open discrepancy: Sodium DNA (the PDRN source) is listed last among the ingredients retrieved despite being marketed as the hero active at a brand-stated 2%/20,000ppm — a genuine bi-phase formula can plausibly carry an ingredient in a separate phase not fully captured by one linear reading, but this has not been independently reconciled.

Preservative system: 1,2-Hexanediol, Caprylyl Glycol, Ethylhexylglycerin — a modern, non-paraben preservative blend.

Fragrance status: Fragrance-Free — no "Fragrance"/"Parfum" INCI entry found in the retrieved list.

Scent: a faint green-tea note from Camellia Sinensis and Theobroma Cacao (cocoa) extract, described by an independent reviewer as having a "matcha latte" character once shaken.

EU 26 allergen screen: none of the 26 EU-named isolated fragrance allergen chemicals detected in the declared INCI.

Alcohol disclosure: Alcohol-Free — no ethanol or drying alcohol identified in the retrieved INCI.

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

Vegan: the brand markets this specific serum as "vegan-certified." *No certificate number or certifying body was located during this research pass, so this is treated as a brand claim rather than a verified third-party certification. Based on the declared INCI, no animal-derived ingredients were detected, which is at least consistent with the claim.

Cruelty-Free: *Brand-stated policy. Not independently certified by Leaping Bunny, PETA, or equivalent third-party audit. Brand states cruelty-free, but sells products in Mainland China where post-market animal testing may be required by law; cross-border e-commerce sales may be exempt.

Microplastic-Free: Yes — no microplastic-class polymers identified in the retrieved INCI.

MFDS classification: not confirmed as Functional Cosmetic; treated as general cosmetic.

Clinical evidence: the brand markets "33.48% improvement in redness after 24 hours" (23.05% after one use), "319.6% moisture increase on irritated skin," and "149.9% hydration boost," commonly attributed in Korean brand marketing to a testing lab (the TIRTIR Matcha line elsewhere cites the Korea Institute of Dermatological Sciences). *These are brand-commissioned test results, not independently published or peer-reviewed studies, and Adilsons has not independently verified them. The very large percentage figures likely reflect a low starting baseline on irritated skin rather than an absolute multiplier over healthy-skin hydration.

Evidence confidence: Marketing-Only*. *No independently accessible study report, sample size, or methodology was located this round.

Fungal Acne Safety: FA-Conditional (mostly favorable). Triethylhexanoin is flagged as conditional on some (not all) FA-safe screening lists, while Squalane is broadly considered FA-safe and Colloidal Sulfur is actively antimicrobial/antifungal rather than feeding Malassezia. Overall risk is low, but patch test if you're highly FA-reactive.

Assessment: Low. The formula is light and largely water/HA-based once shaken; pilling is more likely if layered under a heavy silicone-forward sunscreen without the recommended 30-60 second wait.

Color baseline: a two-tone appearance in the bottle (separated layers) is normal; a uniform color that won't re-separate on shaking, or a sour smell, are spoilage signs.

Separation: shake before use — this is by design, not spoilage.

Storage: keep away from direct bathroom heat/humidity and sunlight exposure, which accelerate breakdown of both the botanical extracts and the HA complex.

When in doubt, discard.

Patch test: apply to the inner forearm, wait 24 hours, then behind the ear for another 24 hours, before first facial use.

72-hour barrier reset (if adverse reaction): stop all actives. For 72 hours, use only a gentle cleanser and plain moisturizer plus 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.

1. Skipping the shake step, which means uneven dosing of the two phases. 2. Assuming visible separation means the product spoiled. 3. Expecting dramatic dark-spot fading from a redness-and-hydration-focused formula. 4. Skipping SPF, which undermines any brightening benefit from the Niacinamide content. 5. Layering with another strong active serum the same routine without checking for redundancy.

Overuse threshold: there's no strict frequency ceiling for this Niacinamide/PDRN-lane serum, but using significantly more than 2-3 drops doesn't speed results — it just wastes product and increases pilling risk.

Usage math: at 2-3 drops per application, twice daily, a 50ml bottle provides approximately 2.5-3 months of use.

Lifespan: at recommended dosage, this lasts roughly 2.5-3 months; using significantly more per application shortens this without adding benefit.

Reorder timing: plan to reorder about 2 weeks before you expect to run out, to allow for shipping time.

This serum is the treatment core of the TIRTIR Matcha routine — its highest-concentration step for both PDRN and Niacinamide. It sits between toner and moisturizer on the viscosity ladder, applied to slightly damp skin.

AM: 1. Cleanser. 2. Matcha Skin Toner. 3. Matcha Dual Serum (shake, 2-3 drops). 4. Matcha Calming Cream. 5. Sunscreen.

PM: 1. Double cleanse if needed. 2. Matcha Skin Toner. 3. Matcha Dual Serum (shake, 2-3 drops). 4. Matcha Calming Cream.

If your skin is barrier-compromised right now: this serum's ingredient profile (no acids, no retinoids) is generally safe to continue, but pause any other active serums until stinging/tightness resolves.

If you're in AC all day: follow immediately with a moisturizer to lock in the HA complex rather than letting it sit exposed to dry conditioned air.

If your main goal is dark-spot fading, not redness: this is not the right anchor product — see the Mindful Alternatives section below for a dedicated brightening option.

Bundle — Full Matcha Routine: Matcha Pack Cleanser + Matcha Skin Toner + this serum + Matcha Calming Cream — one calming, PDRN-based routine from cleanse to seal.

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

The recommendations above are based on formulation synergy with Matcha Dual 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 you want a higher, single-phase Niacinamide concentration with no bi-phase shaking step and a stronger oil-control/dark-spot focus, a dedicated high-strength Niacinamide serum is a closer fit: TIRTIR Niacinamide 20% Serum (primary, same brand, single-phase, no PDRN).

Alternatives (closer to this product's own redness/hydration focus rather than the higher-Niacinamide primary): Beauty of Joseon Calming Serum: Green Tea + Panthenol (Green Tea Leaf Water and Mugwort, no bi-phase step), Anua 80 Moisture Soothing Ampoules (80% Heartleaf, single-phase redness relief), and SKIN1004 Madagascar Centella Probio-Cica Intensive Ampoule (fermented Centella, barrier-repair focus).

Choose Matcha Dual Serum over the Niacinamide 20% Serum if you need redness relief and hydration alongside brightening: this serum adds Matcha-PDRN and a three-form HA complex that the higher-strength single-active serum doesn't carry.

If redness and dehydration are your primary complaints, this serum's specific combination is worth choosing over the higher-strength alternative. If oil control and stubborn dark spots are your main goal and your skin already tolerates strong actives well, the 20% Niacinamide Serum is the more targeted choice.

Don't upgrade to the 20% alternative if: your skin is currently reactive or barrier-compromised — high-strength Niacinamide can cause flushing on compromised skin; you're new to Niacinamide and haven't tried a moderate dose first; your main concern is redness, not pigmentation or oil.

If you match 2 or more upgrade triggers above for the higher-strength alternative, that's worth choosing. If not, this dual serum is sufficient and gentler. Consistency beats complexity.

This product's PRIMARY function is: redness relief, hydration, and mild brightening via Niacinamide and Matcha-PDRN. You do NOT need this if you already own another Niacinamide serum you're happy with — finish that first, since running two Niacinamide products is redundant, not additive.

Stacking assessment: No Benefit if run alongside another Niacinamide serum (same mechanism); Significant Benefit if your current routine has no dedicated redness-calming or hydrating serum.

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 checks: genuine units carry a Korean-language batch code on the base of the bottle, and retail cartons show bilingual Korean/English text. A genuine bottle should show two visibly separated layers before shaking — a unit that looks uniform from the moment it's opened is worth double-checking against the Authenticity page above.

TIRTIR built its skincare identity around single, high-concentration actives sold as focused serums (Niacinamide 20%, Pure Vitamin C24, PHA 15%, Azelaic Acid 12%). The Matcha Dual Serum extends that philosophy into a bi-phase format, combining two actives (PDRN and Niacinamide) that the brand's single-active serum line otherwise keeps separate.

An independent beauty blog reviewer (lolassecretbeautyblog.com) described this serum as a nice hydrating and calming option with a cooling effect and no stickiness, noting the creamy "matcha latte" texture once shaken.

Community reviews for this specific product on Reddit (r/AsianBeauty, r/SkincareAddiction) were not found in our research at the time of writing, and Amazon star-rating detail (listed on both the US and UK Amazon sites) was not retrievable through the sources checked — this is a genuinely new-to-market product line, so broader community sentiment is still building.

Sustainability: check local recycling guidance for the bottle material; not confirmed as refillable.

Why does the bottle look separated into two layers? This is a genuine bi-phase formula — shake before every use to combine the calming and brightening layers.

Is 2% PDRN really the highest in the line? The brand markets it that way, and it's plausible given the bi-phase, treatment-serum format, though our independent INCI check could not fully confirm the exact concentration or its precise position in the formula.

Will this fade my dark spots? It may help gradually via Niacinamide, but it's formulated primarily for redness and hydration — a dedicated brightening serum is a better fit for stubborn hyperpigmentation.

Can I use this with my Vitamin C serum? Niacinamide and Vitamin C are compatible in most modern formulas; if you're sensitive, wait 10-15 minutes between the two or use them at different times of day.

Is this suitable for acne-prone skin? The brand markets it that way, and Colloidal Sulfur has genuine antimicrobial properties, but this is not formulated as a dedicated acne treatment — patch test first.

Bi-phase

A formula with two visibly separate layers that must be shaken together before use.

PDRN

Polydeoxyribonucleotide, a DNA-fragment-derived skincare ingredient marketed for calming and repair support.

Niacinamide

Vitamin B3, an ingredient that supports the skin barrier and evens tone by limiting excess pigment transfer.

Humectant

An ingredient that draws water into the skin, such as Hyaluronic Acid or Glycerin.

Melanosome transfer

The process by which pigment-producing cells pass color to surrounding skin cells; Niacinamide slows this process.

Colloidal Sulfur

A finely dispersed form of sulfur with antimicrobial and mild exfoliating properties, often used in acne-focused formulas.

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: redness-prone, dehydrated, or dull skin in Mauritius' humidity that wants a genuine bi-phase treatment combining calming and brightening in one non-sticky step.

Key benefits: real 5% Niacinamide consistent with its INCI position; genuine two-phase delivery system; three-form Hyaluronic Acid complex for layered hydration; non-sticky finish suited to humid climates.

Keep in mind: the marketed 2% PDRN concentration and Sodium DNA's late INCI position have not been independently reconciled; large percentage clinical claims likely reflect a low starting baseline, not an absolute multiplier; this is not a dedicated dark-spot treatment.

Assessment: Suitable, with standard caution. This serum is fragrance-free, retinoid-free, and built on a minimal, modern preservative system, with no known oncology-contraindicated ingredients identified in the retrieved INCI.

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

Antioxidant pollution defense: Madecassoside (a Centella Asiatica derivative) and Camellia Sinensis (green tea) Leaf Extract offer modest antioxidant support against everyday oxidative stress, though this is a secondary benefit, not the product's primary function.

AC/humidity swing interaction: the Hyaluronic Acid complex performs best with ambient humidity available — in extended air-conditioned exposure, seal with a moisturizer to prevent the reverse-draw effect described in the Climate Fit section above.