NINE LESS MELA-PRO Tranexamic Acid Serum 30ml

Values: 100% Genuine · Fragrance-Free (no added Parfum in the declared INCI) · FA-Conditional* · Halal-Friendly* · Vegan-Friendly*

Living with dark marks that outlast the breakout or sun exposure that caused them is exhausting — you can feel like your skin never fully "clears," even when the original irritation is long gone. This serum is built for that specific frustration, not for active inflammation itself.

PIH vs PIE: Brown or dark marks (PIH) are excess melanin and respond to ingredients like Tranexamic Acid, Niacinamide, and time. Red or pink marks (PIE) are damaged capillaries and respond instead to centella and time, not brightening actives. This serum addresses PIH — if your marks are pink or red rather than brown, this is the wrong tool for the job.

Pros: A real 5% Tranexamic Acid dose backed by general dermatology literature on the plasmin pathway. A fragrance-free formula with no silicones, sulfates, parabens, or mineral oil, matching the brand's own "Add 9, Deduct 9" rule against the declared INCI. Daily AM/PM use with no forced rest days.

Caveats: pH is not publicly disclosed, and no independently verified clinical trial exists for this exact formulation. It contains an isopropyl ester (see FA-safety below) that fungal-acne-prone users should weigh. Genuine third-party customer reviews for this specific SKU were not found during research (see Community Experiences below).

Classification: YELLOW (14+ with guidance). Tranexamic Acid at 5% and Niacinamide at 2% are real, adult-strength actives — not basic hydrators. They are not on the same risk tier as retinoids, high-dose BHA, benzoyl peroxide, or hydroquinone, so this is not a hard RED restriction.

Post-inflammatory hyperpigmentation and melasma-type discoloration are conditions that typically build up over years of sun exposure and hormonal changes adults experience. Prepubescent and early-teen skin rarely has the kind of entrenched pigmentation this serum is designed to treat, so there is usually little reason for a younger user to need it in the first place.

If a teenager under 16 wants to use this for occasional post-breakout marks, that is a reasonable, lower-stakes use case — introduce it slowly per the one-rule in Quick Start below and pair it with consistent SPF, since sun exposure without protection will out-pace any brightening effect regardless of age.

Compatibility checklist:

• Bedside-compatible (no sink needed) — yes.
• Requires rinsing — no.
• Requires precise dosage — no, a few drops is forgiving.
• Applicable with unwashed hands — technically yes, though hands should be clean to avoid transferring bacteria into an open dropper or pump.
• Requires wait time — a short 30-60 second absorption pause, nothing elaborate.
• Can be a single-product routine — yes, in a pinch: this serum plus a moisturizer and, in the morning, sunscreen is a complete minimum-viable brightening routine.

Minimum viable routine position: On a low-energy day, this product can stand in as your only treatment step — cleanse (or skip if skin isn't visibly soiled), apply this serum, moisturize, and in the morning add SPF. That four-step (or fewer) routine still delivers the active dose that matters.

Sensory note: The formula's ester-based oil phase can feel slightly tacky in the first minute before it sets — if that texture is aversive on a low-energy day, pat it in lightly rather than rubbing, and give it the full absorption window before moisturizer.

Step 1 — When: Morning or evening, or both.

Step 2 — How much: 2-3 drops, or roughly one pump if your bottle is pump-dispensed.

Step 3 — How: Pat or press onto clean, slightly damp skin; do not rub. Wait 30-60 seconds before your next layer.

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. Optional gentle cleanse or splash rinse.
2. Optional pH-balancing toner.
3. Optional hydrating toner layer(s).
4. NINE LESS MELA-PRO Tranexamic Acid Serum — 2-3 drops, wait 30-60 seconds.
5. Optional lightweight hydration serum.
6. Moisturizer.
7. Sunscreen SPF50+ PA++++ — non-negotiable.

In Mauritius' humid mornings, humectants in a moisturizer (glycerin, hyaluronic acid) draw water from the humid air itself rather than from deeper skin layers, so this serum layers well under a gel-cream even in the heat.

SPF is not optional with this product. Tranexamic Acid and Niacinamide work by calming the signal that triggers new pigment — but UV exposure re-triggers that same signal daily. Skipping sunscreen doesn't just slow results, it actively works against them.

1. Double cleanse if wearing sunscreen/makeup, single cleanse otherwise.
2. Optional toner/essence layers.
3. NINE LESS MELA-PRO Tranexamic Acid Serum — 2-3 drops, wait 30-60 seconds.
4. Optional targeted serum if it does not conflict (see Best Paired With below).
5. Moisturizer, and an occlusive seal only if your skin runs dry or you sleep in air conditioning.

This product does not occupy a strict retinoid or acid "lane," so it does not need to be scheduled into a skin-cycling calendar the way retinoids or strong exfoliants do — it can run nightly alongside those actives on separate nights, or on the same night as long as it isn't stacked with a second strong brightening product doing the identical job (see the Conflict Solver below).

Technique: Pat or press into skin — do not rub. Friction degrades the formula and increases irritation risk, particularly with an active-percentage serum like this one.

Required skin state: Slightly damp is ideal for absorption comfort, but dry skin works too.

Wait time: 30-60 seconds before your next layer, so the aqueous phase isn't diluted or pushed around by the next product.

Hands vs cotton pads: Hands deliver 100% of the product. Cotton pads absorb approximately 30-40% of it. Use hands for this serum.

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 10-20 seconds, serum layers 30-60 seconds, 10-15 minutes before sunscreen 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 (+1 drop for neck); 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 the 2-finger rule for the face, +1 finger for the neck.
• Hydrators sit best on slightly damp skin; retinoids on fully dry skin; exfoliating acids on dry or lightly damp skin depending on tolerance — keep to one lane.
• 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, 1-3 (optional).
4. Essence (optional).
5. Mist/thermal water (optional).
6. Booster/soothing serum (optional).
7. Antioxidant lane, choose one (optional).
8. Pigment support lane, choose one — TXA/arbutin/alpha-arbutin/azelaic if AM-tolerated (NINE LESS MELA-PRO Tranexamic Acid Serum sits here).
9. Hydration serum lane (optional).
10. Oil-control/sebum-regulating lane, choose one (optional).
11. Peptides/growth-factor/repair lane (optional).
12. Eye serum/cream (optional).
13. Moisturizer.
14. Optional sealing layer if dry/AC.
15. Sunscreen SPF50+ PA++++ — non-negotiable.
16. Lip SPF (optional but ideal).

In AM, prioritize comfort and 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 wearing SPF/makeup.
3. Water cleanser.
4. pH-prep toner (optional).
5. Hydrating toner layers (optional).
6. Essence (optional).
7. Soothing/barrier serum (optional).
8. Anchor product — NINE LESS MELA-PRO Tranexamic Acid Serum, 2-3 drops, wait 30-60 seconds.
9. Targeted serum, only if not conflicting (optional).
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 serum sits in the light fluid tier — thinner than a cream or gel-cream, thicker than a watery toner. Apply it after any toner or essence and before your moisturizer, following the general water-phase-before-oil-phase rule.

Phase compatibility: the formula is an oil-in-water emulsion (Water listed first, followed by an ester-based oil phase — Isopropyl Isostearate, Butylene Glycol Dicaprylate/Dicaprate, Triethylhexanoin, Cetylethylhexanoate). Because it already carries an emulsified oil phase, avoid layering a separate face oil directly underneath it — apply oils, if used, after this serum and before or mixed into your final moisturizer.

No real molecular-weight data was found for Tranexamic Acid's penetration profile in this specific formulation, so no 500 Dalton Rule claim is made here.

Rest days: This product does not require forced rest days the way an AHA/BHA exfoliant or retinoid does — Tranexamic Acid and Niacinamide are generally well-tolerated at daily frequency. The one recovery night above is a general barrier-maintenance habit, not a strict requirement for this specific serum.

Overuse warning: Using more than the recommended 2-3 drops per application does not speed results — it does not increase how quickly the plasmin pathway is inhibited, and it simply wastes product and raises the odds of a tacky, unabsorbed film.

Purging vs. reaction: Tranexamic Acid and Niacinamide are not classic purging triggers the way retinoids and acid exfoliants are, so a true "purge" is uncommon with this product. If you do see new breakouts, they are more likely a genuine reaction than purging — watch for the pattern: PURGING (rare here) would appear in your usual breakout zones and resolve within 4-6 weeks; a REACTION appears in new areas, involves burning, swelling, or hives, and gets worse rather than better — stop immediately if you see that pattern.

Prerequisites: Before starting this product, your routine should already include a gentle cleanser and a daily moisturizer, and — critically — a daily SPF50+ habit if used in the morning. Without consistent sun protection, this product's core job becomes much harder to achieve.

Step-down option: If 5% Tranexamic Acid feels too active for your current skin state, NINE LESS MELA-PRO Rice & TXA Toner 200ml carries the same tranexamic acid active in a lighter, toner-format delivery — see Mindful Alternatives below for the full comparison.

Barrier index gate: If your skin stings when you apply moisturizer, feels tight within 30 minutes of cleansing, or shows visible flaking, your barrier is below the threshold this product needs to be comfortable. Repair the barrier first with a plain, fragrance-free moisturizer before introducing an active-percentage serum like this one.

Fitzpatrick context: Tranexamic Acid is generally considered one of the gentler options for treating melasma and PIH in medium-to-deep skin tones (Fitzpatrick IV-VI), compared to more aggressive options like hydroquinone, precisely because it does not carry the same post-inflammatory rebound-darkening risk. That said, no formulation is risk-free — always patch test, and stop if you see new darkening rather than fading.

Hyperpigmentation (PIH): Tranexamic Acid blocks the plasmin/plasminogen pathway that signals melanocytes to ramp up pigment production, while Niacinamide separately inhibits the transfer of melanosomes (pigment packets) from melanocytes into surface skin cells. Together, brand-stated concentrations of 5% and 2% target the same end result — visible dark marks — through two different mechanisms.

PIH vs. PIE: This product addresses brown/dark PIH marks. It does not address red/pink PIE marks (broken capillaries) — for those, look for centella-based or time-focused products instead.

Secondary benefits: Niacinamide at meaningful concentration also has a modest, well-documented role in strengthening barrier lipid synthesis and reducing sebum production over consistent use.

What this product cannot do: It cannot lighten your natural skin tone — brightening means fading excess pigment, not changing your baseline complexion. It cannot shrink pores.

It also cannot treat active inflammatory acne (see the brand's own A-Control azelaic acid line for that), and it cannot correct PIE (red marks).

Every pairing below is anchor-centric — chosen specifically to support this serum's function — and stock-checked live against the Adilsons catalog at the time of writing. Availability changes constantly with restocking, so treat the "primary" pick as a starting suggestion, not a guarantee, and check the alternatives if it's unavailable when you read this.

1. Sunscreen (mandatory pairing, AM): Primary — Beauty of Joseon Relief Sun: Rice + Probiotics SPF50+ PA++++. This serum's brightening effect only holds if new UV-triggered pigment isn't forming faster than old pigment fades. Alternatives: SKIN1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum 50ml, Anua Heartleaf Silky Moisture SunCream 50ml, TOCOBO Bio Watery Sun Cream SPF50+ PA++++ 50ml.

2. Barrier-supporting moisturizer: Primary — SKIN1004 Madagascar Centella Hyalu-Cica Moisture Cream 75ml, which seals this serum's active layer without adding conflicting actives. Alternatives: SKIN1004 Madagascar Centella Poremizing Light Gel Cream 75ml (lighter, oilier-skin option), SKIN1004 Madagascar Centella Probio-Cica Enrich Cream 50ml (richer, dry-skin option), NINE LESS Hydra-Max Deep Infusion Serum 50ml (same-brand hydration layer before your moisturizer).

3. Gentle, low-pH cleanser: Primary — Anua 8 Hyaluronic Acid Moisturizing Gentle Gel Cleanser 150ml. A pH-appropriate cleanse keeps the acid mantle intact, which matters for any active-percentage serum's tolerability. Alternatives: ROUND LAB 1025 Dokdo Cleanser 150ml, COSRX Low pH Good Morning Gel Cleanser 150ml, Beauty of Joseon Green Plum Refreshing Cleanser 100ml.

4. Same-active layering (optional, for a more intensive pigment routine): NINE LESS MELA-PRO Rice & TXA Toner 200ml as a pre-serum toner step reinforces the same tranexamic-acid pathway without introducing a second, competing active lane — see the Conflict Solver below on why this is a "same pathway" pairing rather than a true synergy.

Pilling risk: Layering this serum under a silicone-heavy primer or a thick, film-forming sunscreen without a full absorption wait can cause pilling. Mitigate by waiting the full 30-60 seconds, patting rather than rubbing, and reducing total layer count if you notice balling on the skin.

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" per routine (Retinoid OR Acid Exfoliation OR L-Ascorbic Acid Vitamin C OR Benzoyl Peroxide OR Hydroquinone OR strong acne lane) — barrier/hydration and this serum's pigment-support lane can always accompany that one lane. 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.

Same-pathway redundancy (most relevant conflict for this product): This serum already carries a real pigment-brightening lane (Tranexamic Acid + Niacinamide, plus trace Ascorbic Acid). Don't stack it with a second separately-purchased strong brightener chasing faster results — for example, running this alongside NINE LESS's own 10% Kojic Acid or 22% Niacinamide serums in the same routine adds diminishing returns and irritation risk rather than proportionally faster fading. Instead: pick one primary brightening product for a given routine slot, and rotate a second one in on alternate nights if you want to use both.

Vitamin C note: The trace Ascorbic Acid in this formula is not present at a concentration that behaves like a standalone L-Ascorbic Acid serum, so this product does not occupy the "strong Vitamin C lane" the way a dedicated 15-20% Vitamin C serum would. You can still layer a separate, stronger Vitamin C product with this serum, but treat that combination as the primary active lane for that routine and keep this serum in a supporting, not competing, role.

Scheduling templates: AM/PM Split (most common) — Antioxidant/pigment lane (this serum) in the AM, moisturizer, SPF; a different active lane (retinoid or acid) in the PM if you run one. 4-Night Skin Cycling — if you also use a retinoid or exfoliant elsewhere in your routine, keep this serum on the recovery nights rather than stacking it with those actives the same night. Alternate-Night Protocol — Mon/Wed/Fri retinoid or acid, Tue/Sat this serum plus a lighter layer, Thu/Sun recovery.

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

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.

Assessment: Film-Forming (uncertain). This serum is an oil-in-water emulsion with a meaningful ester-based oil phase (Isopropyl Isostearate, Butylene Glycol Dicaprylate/Dicaprate, Triethylhexanoin, Cetylethylhexanoate) rather than a purely watery essence — so while it is not a heavy occlusive balm, it is not confidently "fully water-permeable" either.

If you are uncertain whether water is reaching the skin during wudu, a light cleanse or wipe-down before ablution removes any doubt.

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: "Tranexamic acid is a prescription blood-clotting drug — it's dangerous to put on your skin." REALITY: Oral tranexamic acid is indeed used medically for bleeding control, but topical tranexamic acid in skincare works locally on the skin's pigment pathway at a completely different dose and route of administration — it is one of the more studied brightening actives in the general dermatology literature, distinct from its oral medical use.

MYTH: "If a brightening serum isn't working in two weeks, it's not worth using." REALITY: Visible fading of existing dark marks typically tracks with your skin's epidermal turnover cycle — roughly 4-6 weeks for the first real change, not days.

MYTH: "Brightening serums lighten your overall skin tone, not just dark spots." REALITY: These ingredients fade excess pigment in already-darkened areas; they do not bleach or change your natural baseline complexion.

AC environments: This formula's humectants (glycerin, propylene glycol, propanediol, dipropylene glycol) work well in ambient humidity but, like any humectant blend, can pull moisture from deeper skin layers instead of the air during long air-conditioned stretches. Seal with a proper moisturizer if you spend hours in AC.

Hard water note: Mauritius tap water hardness varies by region. If you cleanse before this serum with hard water, a pH-balancing toner beforehand helps counteract the calcium-stearate film hard water can leave, which otherwise makes actives feel like they're stinging more than they actually are.

*Brand-stated concentrations for Tranexamic Acid and Niacinamide are repeated consistently across independent retailers, but no independently-verified lab assay of this exact batch was found — treat as brand-stated, not third-party-confirmed.

Full INCI list (source: INCIDecoder product listing, retrieved via search summary — direct page fetch was blocked by network policy, so treat this as medium- rather than high-confidence sourcing):

Water, Isopropyl Isostearate, Tranexamic Acid, Butylene Glycol Dicaprylate/Dicaprate, Glycerin, Sorbitan Stearate, Triethylhexanoin, Cetylethylhexanoate, Pentylene Glycol, Niacinamide, Propylene Glycol, Magnesium Sulfate, Disteardimonium Hectorite, [--- Estimated 1% Line ---] Caprylyl Glycol, Ethylhexylglycerin, Propanediol, Glutathione, Adenosine, Disodium EDTA, Ascorbic Acid, Eriobotrya Japonica Leaf Extract, 1,2-Hexanediol, Mentha Viridis (Spearmint) Extract, Arginine, Allantoin, Dipropylene Glycol.

*Glutathione, Adenosine, Ascorbic Acid, Eriobotrya Japonica Leaf Extract, Mentha Viridis (Spearmint) Extract, Arginine, and Allantoin all appear below the estimated 1% line in the INCI list, suggesting they are present at trace/sub-efficacious concentrations. Their inclusion may be primarily for marketing rather than clinical effect. This estimate is not brand-confirmed.

Preservative system: Caprylyl Glycol, Ethylhexylglycerin, and 1,2-Hexanediol — a paraben-free, phenoxyethanol-free glycol/diol-based preservative-booster system, consistent with the brand's stated formulation philosophy.

Fragrance status: Fragrance-Free — no Parfum or Fragrance ingredient appears in the declared INCI.

Scent: Mentha Viridis (Spearmint) Extract is present, which can impart a faint, cool herbal scent even without a formal fragrance ingredient. This is a normal characteristic of the extract, not a sign of a hidden fragrance blend.

Intensity and dissipation: Estimated low intensity (0-1 out of 5), dissipating within the first minute of application.

EU 26 allergen screen: None of the 26 EU-regulated fragrance allergens (e.g. Limonene, Linalool) appear as separately declared ingredients in this INCI.

Alcohol disclosure: Alcohol-Free — no denatured or drying alcohol (Alcohol Denat.) appears in the declared 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: Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected. This is NOT a formal vegan certification by The Vegan Society or equivalent body.

Cruelty-Free: Brand-stated policy. Not independently certified by Leaping Bunny, PETA, or an equivalent third-party audit — no listing for NINE LESS was found on PETA's own public cruelty-free database during research.

Microplastic-Free: Yes — no polymer microbeads or film-forming plastics identified in the declared INCI.

MFDS classification: Not confirmed as a Functional Cosmetic (South Korea's additional-testing category for brightening/anti-wrinkle/UV-protection claims) — treated here as a General Cosmetic until brand documentation says otherwise.

Whitening translation: The Korean "미백" (mibaek) classification, where it applies to a product, means regulation of melanin production to fade dark spots and reveal a more even natural tone — it does not mean bleaching or changing your underlying complexion.

Clinical evidence: Topical tranexamic acid's anti-pigmentation mechanism is well-documented in the general dermatology literature (its use for melasma in particular is widely studied). No product-specific clinical trial for this exact NINE LESS formulation was found during research.

Evidence confidence: Medium. The underlying active and its general mechanism are strongly evidenced; the specific concentration claims and this exact formulation's real-world performance are brand-stated and retailer-repeated rather than independently lab-verified.

Fungal Acne Safety: FA-Conditional. Isopropyl Isostearate — the second-listed ingredient by weight — is a recognized FA-conditional isopropyl ester on Malassezia-feeding ingredient references, and Sorbitan Stearate, present at a lower concentration, is a milder, secondary conditional flag.

If you are actively managing fungal acne (Malassezia folliculitis), patch test on a small affected area first, or consider the lower-oil-phase MELA-PRO Rice & TXA Toner (see Mindful Alternatives) as a gentler entry point.

Assessment: Low-to-Medium. The ester-based oil phase can ball up under a heavy silicone-based primer, a thick sunscreen applied too soon, or a second oil-based product layered immediately on top.

Specifics: Silicone-forward makeup primers and some tone-up sunscreens are the most likely pilling partners if applied within seconds of this serum.

Mitigation: Apply to slightly damp skin, wait the full 30-60 seconds, pat rather than rub the next layer on, and reduce total product count if you notice balling.

Color baseline: Expect a clear-to-faint-yellow fluid. A notable darkening or a strong new odor suggests oxidation — oxidized actives can generate free radicals rather than deliver their intended benefit, so discard rather than continue using a visibly changed product.

Storage: Keep out of direct sun and away from bathroom humidity swings where possible; a bedroom drawer or cabinet tends to hold a steadier temperature in Mauritius than a humid bathroom shelf.

Spoilage signs: Separation that won't remix with light shaking, a sour or rancid smell, or a visible color shift from clear/pale-yellow to noticeably darker. When in doubt, discard.

Patch test: Apply to your inner forearm and wait 24 hours; if clear, apply behind the ear and wait another 24 hours; only then begin facial use.

72-hour barrier reset: If you experience an adverse reaction, STOP ALL ACTIVES. For 72 hours, use ONLY gentle cleanser, plain moisturizer, and mineral SPF — no acids, retinoids, Vitamin C, exfoliants, or essential oils. After 72 hours, reintroduce ONE product per 14 days.

Emergency stop signals: Hives, swelling, blistering, persistent burning, or breathing difficulty — seek emergency care immediately and discontinue use.

• Skipping SPF because "it's just a serum, not an exfoliant" — this product's whole function depends on not letting new UV-triggered pigment outpace it.
• Expecting visible change inside the first two weeks — real fading tracks with epidermal turnover, not days.
• Stacking this with a second strong brightening serum from the same brand family every night, rather than alternating — see the Conflict Solver above.
• Using it on active, weeping, or broken skin — patch test and wait for acute inflammation to calm first.
• Assuming "brightening" means it will lighten your overall skin tone rather than just fade existing dark marks.

Overuse threshold: There is no established benefit to applying more than 2-3 drops per use or using it more than twice daily — beyond that, you risk irritation without added pigment-fading benefit.

Usage math: At 2-3 drops per application, a 30ml bottle holds roughly 150-200 applications, depending on dropper/pump delivery and how generously you apply.

Lifespan: Used once daily, that's roughly 5-6 months; used twice daily (AM and PM), roughly 2.5-3 months. Overdosing at 2-3x the recommended amount cuts that lifespan proportionally without improving results, since the active concentration per application is fixed by the formula, not by how much you squeeze out.

Reorder timing: Reorder roughly 2 weeks before you expect to run out, to account for delivery time.

You're not just adding a serum — you're adding a specific tool for fading brown marks that only works fully alongside sun protection and a settled barrier. This serum sits in the light-fluid tier, applied after toner/essence and before moisturizer.

AM:

1. Cleanse (optional).
2. Optional toner.
3. MELA-PRO Tranexamic Acid Serum — 2-3 drops, wait 30-60 seconds.
4. Moisturizer.
5. Sunscreen — non-negotiable.

PM:

1. Cleanse (double if wearing SPF/makeup).
2. Optional toner.
3. MELA-PRO Tranexamic Acid Serum — 2-3 drops, wait 30-60 seconds.
4. Moisturizer.

If your skin is currently barrier-compromised (stinging on moisturizer, visible flaking), pause this serum and run barrier repair only for 3-7 days first — see the Barrier Index Gate above.

If you're in air conditioning most of the day, seal this serum's hydrators with a proper moisturizer rather than relying on the serum alone to hold moisture.

If you already own another strong brightening serum (kojic acid, high-% niacinamide, azelaic acid), don't run both nightly — alternate nights instead, per the Conflict Solver above.

Stock-true bundle — "Brighten and Protect": this serum + SKIN1004 Hyalu-Cica Moisture Cream + Beauty of Joseon Relief Sun — apply serum, seal with cream, protect with SPF; this is the minimum viable stack for this product to actually work.

Stock-true bundle — "Gentle Entry": Anua 8 Hyaluronic Acid Gentle Gel Cleanser + this serum + SKIN1004 Poremizing Light Gel Cream — a low-pH, minimal-ingredient stack for sensitive or reactive skin easing into an active-percentage serum for the first time.

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

The recommendations above are based on formulation synergy with NINE LESS MELA-PRO Tranexamic Acid 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 the same Tranexamic Acid pathway in a lighter, prep-layer format rather than a concentrated serum, NINE LESS MELA-PRO Rice & TXA Toner 200ml — verified in stock at the time of writing — carries Tranexamic Acid alongside Oryza Sativa (Rice) Seed Water in a 200ml toner format. Its exact tranexamic acid concentration is not disclosed, so treat it as a gentler, hydration-forward entry point rather than a direct percentage-for-percentage swap.

Choose the MELA-PRO Serum over the MELA-PRO Toner if you need concentrated, brand-stated 5% Tranexamic Acid plus 2% Niacinamide in a leave-on treatment step, rather than a lighter hydration-and-prep layer.

Upgrade triggers (if 2 or more apply, the serum is the better fit):

• You have visible, stubborn brown marks that haven't responded to a gentler toner after 6-8 weeks.
• Your barrier is currently intact and tolerating other actives well.
• You want a single concentrated treatment step rather than multiple toner layers.
• You are not currently pregnant, nursing, or dealing with active eczema.

Don't upgrade yet if:

• Your barrier is below threshold (see Barrier Index Gate above).
• You can't commit to daily SPF.
• You are brand-new to active-percentage serums and would rather build tolerance with the toner first.
• You are managing fungal acne and haven't yet patch-tested the isopropyl-ester-containing serum.

Timing and lane compatibility: Both products occupy the same "pigment support" lane — don't run the toner and the serum as if they were two independent actives; think of the toner as a lighter version of the same job, not an add-on to the serum.

If you match 2 or more upgrade triggers above, the serum is worth choosing. If not, the toner is sufficient and gentler. Consistency beats complexity.

This product's PRIMARY function is: fading brown/dark post-inflammatory hyperpigmentation and melasma-type marks via Tranexamic Acid and Niacinamide. You do NOT need this if you already own an unopened or barely-used brightening serum with a comparable active (Tranexamic Acid, Kojic Acid, or high-% Niacinamide) doing the same job. Finish your current product before purchasing.

Inventory audit: Check whether you already have an open serum built around one of those actives — since PAO for this category typically runs 6-12 months, buying a new one while an old one is still viable and unopened is simply waste.

Stacking assessment: Running this alongside another Tranexamic Acid or Kojic Acid product is No Benefit (same mechanism, redundant). Running it alongside a barrier-repair moisturizer or a dedicated antioxidant serum with a different pathway (e.g. a real Vitamin C serum) is Significant Benefit.

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.

Brand Name: NINE LESS. Headquarters: South Korea. Philosophy: "Add 9, Deduct 9, Achieve Balance Divine" — each formula is built around a small set of beneficial actives while deliberately excluding nine commonly-irritating categories: silicones, sulfates, parabens, synthetic fragrance, phthalates, phenoxyethanol, synthetic color, mineral oil, and benzophenone.

This philosophy checks out against the actual declared INCI of this serum — no parabens, no added Parfum/Fragrance, no mineral oil, and a phenoxyethanol-free glycol/diol preservative system instead. The brand runs several ingredient-led sub-lines sold at Adilsons, including A-Control (azelaic acid), B-Boost (niacinamide and kojic acid), and this MELA-PRO (tranexamic acid) line — each named for its hero active rather than a vague marketing name, which makes it easier to compare formulas across the range.

Community reviews for this specific product were not yet available in our research at the time of writing. A product listing exists on Amazon (ASIN B0CY866Y2K) and a review title referencing this product was found on a third-party skincare blog, but the actual review text could not be retrieved through the tools available during this research pass, so nothing from it is quoted or paraphrased here. We will revisit this section as genuine, verifiable reviews become available.

Sustainability: Rinse the bottle before recycling where local facilities accept mixed plastics/glass; check your container's specific material, since this was not independently confirmed for this listing.

Does tranexamic acid permanently whiten skin? No. It fades existing dark marks by calming the pathway that overproduces melanin — it does not bleach or permanently change your natural skin tone.

Can I use this with a Vitamin C serum? Generally yes, but treat the dedicated Vitamin C product as your primary active lane for that routine and keep this serum in a supporting role — see the Conflict Solver above.

Is tranexamic acid safe during pregnancy? This product does not contain any of the ingredients Adilsons flags as pregnancy-contraindicated (retinoids, high-dose salicylic acid, hydroquinone, chemical UV filters). That said, formal pregnancy-safety data specific to this product was not found — if you are pregnant or nursing, check with your doctor before starting any new active serum.

How long until I see results? Most people see early softening of dark marks around week 4-6, aligned with one epidermal turnover cycle — not within the first few days.

Can this cause purging? It's uncommon — Tranexamic Acid and Niacinamide don't work by exfoliation the way retinoids or acids do, so a true purge is unlikely. New breakouts in new areas are more likely a reaction than a purge; see Results Timeline above.

PIH

Post-inflammatory hyperpigmentation — brown or dark marks left behind after a breakout, injury, or irritation.

PIE

Post-inflammatory erythema — red or pink marks from damaged capillaries, a different mechanism from PIH.

Plasmin pathway

A biological signaling process that, among other roles, can trigger melanocytes to increase pigment production; Tranexamic Acid works by inhibiting this process.

Melanocyte

The skin cell type responsible for producing melanin, the pigment behind dark spots and skin tone.

Melasma

A form of hyperpigmentation, often hormonally or sun-triggered, presenting as larger patches rather than isolated spots.

Fitzpatrick scale

A classification of skin tone (Types I-VI) used to discuss how skin responds to sun and certain actives.

FA-Conditional

Describes an ingredient that may feed Malassezia yeast (linked to fungal acne) in some people, at some concentrations — not universally unsafe, but worth patch testing if you're prone to it.

Epidermal turnover

The natural cycle in which skin cells are replaced, roughly 28-60 days depending on age — the timeline most topical results track against.

Occlusive

A product or ingredient that forms a barrier film to reduce water loss from the skin.

Estimated 1% line

An informal marker in an INCI list, below which ingredients are generally assumed present at under 1% concentration — used to flag ingredients that may be present mainly for marketing.

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: Someone with genuine, established brown post-inflammatory marks or melasma-type discoloration, an intact skin barrier, and a daily SPF habit already in place — not someone looking for a first-ever active or an instant-tone-change product.

Key benefits: A real, brand-stated 5% Tranexamic Acid dose working through a well-documented mechanism; a fragrance-free, paraben-free, mineral-oil-free formula that matches its stated "clean" philosophy against the actual INCI; a straightforward daily-use routine with no forced rest days.

Keep in mind: pH and exact shelf-life data are not publicly disclosed; genuine third-party reviews for this exact SKU were not found during research; the isopropyl-ester oil phase is a real consideration for fungal-acne-prone skin.