The Ordinary ALPHA ARBUTIN 2% + HA 30ML

Values: 100% Genuine (Adilsons policy) · Fragrance-Free (confirmed via INCI) · Vegan-Friendly* · Halal-Friendly*. No FA-Safe or Pregnancy-Safe badge is shown here — see the Allergens and Safety sections below for the actual reasoning rather than a blanket claim.

Chasing dark spots that won't fade is exhausting precisely because progress is invisible week to week — this is a slow, cumulative process, and expecting fast results is the single biggest reason people give up on brightening actives too early.

PIH vs PIE: this serum targets PIH — flat, brown-to-tan marks caused by excess melanin, which is exactly what tyrosinase-inhibitors like alpha-arbutin address. It does not treat PIE (pink or red marks from damaged capillaries) — those need centella, azelaic acid, or time, not a brightening serum.

Pros: genuinely evidence-backed brightening mechanism, fragrance-free, layers easily, low irritation risk for a brightening active. Caveats: results take 8-12 weeks minimum, requires consistent daily SPF to actually work, and this exact SKU is periodically out of stock at Adilsons given import demand.

YELLOW — 14+ with guidance. Alpha-arbutin itself is gentle, but any melanin-modulating active is only relevant once a teen has an actual pigmentation concern (post-acne marks, sun spots) rather than as a "just in case" preventative — prepubescent and early-teen skin rarely has established PIH to treat.

If a younger teen has genuine post-acne dark marks and a parent wants to introduce this, pair it with non-negotiable daily SPF, since using a brightening active without sun protection is actively counterproductive.

Bedside-compatible: yes. No rinsing required, no precise dosage beyond a few drops, and it can be applied with unwashed hands in a pinch since it is a treatment step, not a cleanser.

It qualifies for a bare-bones 2-3 product routine (cleanser or micellar wipe, this serum, moisturizer) on days when a full routine feels like too much, and its watery, non-tacky texture is one of the least aversive of any Ordinary serum for someone touch-sensitive or overstimulated.

Step 1 (When): AM and/or PM, on cleansed skin. Step 2 (How much): 2-3 drops for the full face. Step 3 (How): pat gently into skin, avoid the immediate eye area, wait 30-60 seconds before the next step.

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. 2. Hydrating toner (optional). 3. Alpha Arbutin 2% + HA — 2-3 drops, pat in, wait 30-60 seconds. 4. Moisturizer. 5. Sunscreen SPF50+ PA++++, non-negotiable.

In Mauritius' humid mornings, the hyaluronate in this serum draws water from the surrounding humid air rather than pulling it from deeper skin layers, so it tends to feel more plumping here than in a dry climate.

SPF mandate: a brightening routine without daily SPF is actively working against itself — unprotected UV exposure directly re-stimulates the tyrosinase pathway this serum is trying to quiet.

1. Double cleanse if wearing sunscreen/makeup. 2. Toner (optional). 3. Alpha Arbutin 2% + HA — 2-3 drops, pat in. 4. Any other targeted serum that isn't a competing brightening active (see Conflict Solver). 5. Moisturizer.

This is a supportive, non-restricted active — it does not occupy an exclusive "lane" the way a retinoid or strong acid does, so it can generally sit in the same PM routine as a gentle moisturizing or barrier step without a skin-cycling schedule.

Technique: pat or press into skin — do not rub, since friction can slightly increase irritation and doesn't improve absorption. Skin state: either damp or dry skin is fine for this formula.

Wait time: 30-60 seconds before your next step is enough for this water-based serum to settle. Hands deliver 100% of product; cotton pads absorb approximately 30-40%, so use hands unless you're specifically using it as an exfoliant swipe (not applicable here).

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 thinnest-to-thickest, water-phase before oil-phase, treatments before seals. Wait-time defaults: watery layers 10-20s, serums 30-60s, 10-15 minutes before sunscreen if heading outdoors. Amount defaults: toner/essence 5-8 drops, serum/ampoule 2-3 drops or 1 pump, eye product half a rice-grain per eye, gel moisturizer 1-1.5 peas, cream 1-2 peas, occlusive seal rice-grain to pea-size, sunscreen the two-finger rule for the face plus one finger for the neck. If a routine pills, stings, or feels heavy, reduce layers — never increase them.

AM Maximum Stack: (1) rinse/gentle cleanse if needed, (2) pH-prep toner, (3) hydrating toner layers, (4) essence, (5) mist, (6) soothing serum, (7) antioxidant lane (choose one), (8) pigment-support lane — this product lives here — (9) hydration serum lane, (10) oil-control lane, (11) peptide/repair lane, (12) eye product, (13) moisturizer, (14) optional occlusive seal, (15) SPF50+ PA++++ non-negotiable, (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 if wearing SPF/makeup, (3) water cleanser, (4) pH-prep toner, (5) hydrating toner layers, (6) essence, (7) soothing serum, (8) anchor active (this product can sit here or earlier in the pigment-support lane), (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. One-lane rule: Retinoid OR Exfoliation OR Strong Vitamin C (LAA) OR Acne-control active per routine — barrier and hydration can always accompany, and this pigment-support serum is compatible alongside whichever lane you run.

This is a water-thin serum — apply after any thinner toner/essence layers and before anything thicker like moisturizer. The formula sits in the water-phase, so it should never be layered after an oil or silicone-heavy product, which would block penetration.

Hydrolyzed sodium hyaluronate is a smaller-molecule form of HA chosen specifically for better surface absorption than standard-molecular-weight hyaluronate.

Before starting this product, your routine should already include a daily SPF habit — without it, any brightening progress made will be actively undone by new UV-triggered pigment.

For Fitzpatrick Types IV-VI, brightening actives carry a small rebound-hyperpigmentation risk if the skin is irritated (rather than gently treated) — pat, don't rub, and always pair with SPF to avoid PIH from the treatment itself.

Hyperpigmentation (PIH): Alpha-arbutin inhibits tyrosinase, the enzyme melanocytes use to produce melanin, reducing new pigment output at flat brown/tan marks. Secondary benefit: mild surface hydration from the hyaluronate component.

What this product cannot do: it cannot lighten your natural skin tone — brightening means fading excess pigment in specific marks, not changing your baseline complexion. It also cannot treat PIE (red/pink marks) or physically shrink pores.

Sunscreen (mandatory, not optional): primary pick Beauty of Joseon Relief Sun: Rice + Probiotics SPF50+ PA++++ — without daily SPF this serum's entire mechanism is undermined by new UV-triggered pigment. Alternatives: SKIN1004 Hyalu-Cica Water-Fit Sun Serum 50ml, Anua Heartleaf Silky Moisture Sun Cream, MIXSOON Cica Hyal Sunstick for midday reapplication.

A second brightening pathway (different mechanism, same PIH target): primary pick Anua Niacinamide 10% + TXA 4% Dark Spot Correcting Serum for a stronger tranexamic-acid angle on stubborn marks. Alternatives: AXIS-Y Dark Spot Correcting Glow Serum, NUMBUZIN No.5 Vitamin-Niacinamide Pad, Anua Green Lemon Vita C Serum 20ml. Introduce only one new brightening product at a time per the 14-day isolation rule.

Moisturizer to seal: primary pick Anua Birch Moisture Boosting Cream. Alternatives: Anua Peach 77% Niacin Conditioning Milk, Beauty of Joseon Calming Serum.

Pilling note: this thin serum rarely pills on its own, but stacking it under a thick cream plus SPF without adequate wait time can cause balling — wait the full 30-60 seconds before your next step.

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

Same-pathway redundancy: alpha-arbutin, Vitamin C, niacinamide, and tranexamic acid all work on pigmentation through different mechanisms — stacking two or three is generally fine, but stacking three-plus "brightening" actives at once chasing faster results raises irritation risk without proportionally faster fading. Pick one or two primary brighteners and let each run its full 8-12 week timeline before judging it.

Barrier override: if your moisturizer stings or skin feels tight within 30 minutes of cleansing, pause all actives — including this one — and run a barrier-only routine for 3-7 days first.

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

MYTH: "Brightening serums lighten your overall skin tone." REALITY: alpha-arbutin only reduces excess melanin in specific dark marks — it cannot and will not change your natural, genetically-determined complexion.

MYTH: "If it's not working in two weeks, it's not working." REALITY: pigment correction is tied to a full 28-60 day epidermal turnover cycle — two weeks is not enough time to see change even in a correctly-working product.

AC environment warning: in air-conditioned rooms for extended periods, the hyaluronate in this serum can draw moisture from your deeper skin layers instead of from the air — always seal it with a moisturizer when spending hours in AC.

Mauritius tap water hardness varies by region; this is a leave-on serum applied after cleansing, so hard-water residue is primarily a concern for your cleansing step, not this product.

*Ergothioneine has promising in-vitro antioxidant data but limited in-vivo evidence at the concentration used in commercial serums; treat it as a supporting ingredient, not the headline active.

Full INCI: Aqua (Water), Alpha-Arbutin, Propanediol, Polyacrylate Crosspolymer-6, Hydrolyzed Sodium Hyaluronate, Ergothioneine, Polysorbate 20, Citric Acid, Sodium Citrate, Sodium Hydroxide, Sodium Metabisulfite, Trisodium Ethylenediamine Disuccinate, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin. [--- Estimated 1% Line ---] Ergothioneine, Polysorbate 20, Citric Acid, Sodium Citrate, Sodium Hydroxide, Sodium Metabisulfite, Trisodium Ethylenediamine Disuccinate, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin.

Preservative system: Phenoxyethanol and Chlorphenesin, both broad-spectrum, widely-used cosmetic preservatives.

Fragrance status: Fragrance-Free, confirmed via the declared INCI — no Parfum/Fragrance entry appears anywhere in the list.

Scent: effectively no detectable scent. EU 26 allergen screen: none detected in the declared INCI. Alcohol disclosure: Alcohol-Free — no ethanol or denatured alcohol appears in this formula.

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 equivalent third-party audit in this research pass. *The Ordinary's parent company entered Mainland China retail (Sephora China) in February 2025, where post-market animal testing may apply by law; cross-border e-commerce sales may be exempt.

Microplastic status: Contains Polyacrylate Crosspolymer-6, a synthetic film-forming/thickening polymer — not a classic rinse-off microbead, but disclosed here for full transparency rather than a flat "microplastic-free" claim.

MFDS Classification: Not applicable — The Ordinary is a Canadian brand manufactured and marketed outside Korea's MFDS Functional Cosmetic system; its concentrations are brand-disclosed rather than government-classified.

Clinical evidence: tyrosinase-inhibition by alpha-arbutin is well-documented at the ingredient level in cosmetic chemistry literature; no brand-published in-vivo clinical trial specific to this exact formula was found in this research pass. Evidence confidence: Medium — strong ingredient-class mechanism, product-specific trial data not publicly disclosed.

Fungal Acne Safety: FA-Conditional — Polysorbate 20 appears in the INCI, which most current trackers consider low-risk, but is disclosed here rather than an unqualified FA-Safe badge.

Assessment: Low. As a thin, fast-absorbing water-based serum, this rarely balls up on its own — pilling is more likely if layered under a silicone-heavy sunscreen without a full absorption wait.

Mitigation: apply on slightly damp skin, wait the full 30-60 seconds, and pat (don't rub) subsequent layers on top.

Fresh formula is clear to very pale; a yellow or brown tint, or a noticeably different smell, signals oxidation and the product should be discarded, since degraded actives can behave unpredictably on skin.

Storage: keep out of direct bathroom-window sunlight and away from prolonged heat — Mauritius bathroom humidity and heat both accelerate degradation faster than cooler, drier storage.

Spoilage signs: color shift, separation that won't remix, or an off smell. When in doubt, discard.

Patch test: inner forearm for 24 hours, then behind the ear for 24 hours, before applying to the full face.

72-hour barrier reset (if a reaction occurs): 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 immediately.

1. Skipping SPF and expecting brightening progress anyway. 2. Judging results before 8 weeks. 3. Stacking three or more brightening actives at once "for speed." 4. Rubbing it in aggressively instead of patting. 5. Storing the bottle on a sunny bathroom windowsill.

Overuse threshold: twice daily is the practical ceiling — more frequent application does not speed up melanin turnover and only raises irritation odds.

At 2-3 drops per application, twice daily, a 30ml bottle provides roughly 60-90 days of use — a little longer if used once daily.

Using significantly more than 2-3 drops per application does not speed up results and simply shortens the bottle's lifespan; correct dosage extends how long it lasts without sacrificing effect. Consider reordering about two weeks before you expect to run out, to account for delivery time.

This serum's job is narrow and specific: quiet new melanin production at the site of existing dark marks. It sits in the water-thin serum rung, after toner/essence and before moisturizer, in both AM and PM.

AM: cleanser → this serum (2-3 drops) → moisturizer → SPF50+. PM: cleanser → this serum (2-3 drops) → moisturizer.

If you're in AC for most of the workday, seal this serum with a proper moisturizer, since prolonged AC exposure can pull moisture the wrong direction. If your marks are pink/red rather than brown, this is the wrong product — that's PIE, and centella or azelaic acid will serve you better.

Bundle 1 — Brightening + Protection: this serum, Beauty of Joseon Relief Sun SPF50+, and Anua Birch Moisture Boosting Cream — the minimum viable brightening 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 Alpha Arbutin 2% + HA, 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 different brightening mechanism (tranexamic acid plus niacinamide rather than tyrosinase inhibition alone), Anua Niacinamide 10% + TXA 4% Dark Spot Correcting Serum is a genuine alternative with a different, complementary pathway.

Choose Alpha Arbutin 2% + HA over the Anua alternative if you need: a fragrance-free, single-active formula with the lowest realistic irritation profile of the two for very reactive skin.

Upgrade triggers: if marks have not budged after 12+ weeks of consistent Alpha Arbutin use with daily SPF, that is the signal to try the TXA-containing alternative, not to increase this serum's dosage. If you are already using a Vitamin C serum, adding TXA on top may be redundant — check the Conflict Solver first.

Don't upgrade if: your barrier is currently compromised, or you have not yet given this product its full 8-12 week window. Consistency beats complexity — if you match a real trigger above, switching is worth considering; if not, stay the course.

This product's primary function is: tyrosinase-inhibiting pigment brightening. You do not need this if you already own another arbutin, tranexamic acid, or strong niacinamide brightening serum with an open, unexpired bottle — finish that one first.

Check your shelf for an already-open brightening serum before buying a second one; buying new while an old bottle is still viable and within its printed PAO window is simply waste.

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.

Genuine bottles from this brand use a dropper applicator with a printed batch/lot code on the carton base; deliberately plain, clinical-style labeling (no embellishment) is itself a hallmark of authentic packaging for this brand.

The Ordinary built its identity around naming products by active ingredient and concentration rather than marketing names, positioning itself as a "clinical formulations with integrity" brand. It manufactures in Canada rather than Korea, which is why its formulation style — plain packaging, single-active naming — looks different from the rest of this K-beauty-focused catalog.

Aggregated reviews across INCIDecoder-linked sources, A Beauty Edit, DermApproved, and the brand's own Deciem Chatroom community consistently describe gradual fading of dark spots over several weeks of daily use, paired with a watery, non-greasy texture that layers easily. A mixed theme: several users note results are subtler and slower than higher-strength brightening actives, which tracks with alpha-arbutin's gentler mechanism.

A specific Reddit thread for this exact SKU was not found in this research pass — the community sentiment above draws from beauty-review sites and the brand's own forum rather than r/AsianBeauty or r/SkincareAddiction specifically.

Sustainability: glass is widely recyclable through standard glass recycling; the dropper's rubber bulb should be separated from the glass where local recycling requires it.

Can I use this with Vitamin C? Yes — alpha-arbutin and Vitamin C are commonly layered together, either in the same routine with a short wait between them, or split AM/PM if either irritates.

Will this remove melasma? Melasma is a deeper, hormonally-driven pigmentation condition that often needs a dermatologist-guided approach; this serum can support surface tone but is not a melasma treatment on its own.

How long until I see results? Most consistent users report initial softening around 4-6 weeks, with more visible fading by 8-12 weeks — not days.

Is it safe for sensitive skin? Community and clinical-literature consensus rates alpha-arbutin as one of the gentler brightening actives, but always patch test first regardless.

Can I use it every day? Yes, up to twice daily is standard; more frequent use does not speed results.

Alpha-Arbutin

A brightening ingredient that blocks the enzyme (tyrosinase) skin uses to make pigment.

PIH

Post-inflammatory hyperpigmentation — flat brown/tan marks left after acne or irritation heals.

PIE

Post-inflammatory erythema — pink or red marks from damaged capillaries, not pigment.

Tyrosinase

The enzyme that converts precursor molecules into melanin (skin pigment).

Hyaluronate

A water-binding molecule that holds many times its weight in water at the skin's surface.

Fitzpatrick Type

A skin-tone classification scale used to discuss sun-reactivity and pigmentation risk.

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 flat, brown-to-tan post-acne or sun-related marks who already has a daily SPF habit and is willing to commit to 8-12 weeks before judging results.

Key benefits: genuinely evidence-backed tyrosinase-inhibiting mechanism, fragrance-free, low irritation risk, easy to layer into an existing routine.

Keep in mind: it does nothing for PIE (red marks), it is only as effective as your SPF consistency, and this exact SKU periodically sells out given import demand — check current stock before building a routine around it.

Assessment: Suitable, with caution. This formula is fragrance-free and retinoid-free with a minimal, well-tolerated preservative system, which generally aligns with what treatment-sensitized skin needs.

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

AC/humidity swing interaction: the hyaluronate in this serum performs best when ambient humidity is high; in long stretches of air-conditioned indoor time, it can pull moisture from your own skin instead of the air, so always seal it with a moisturizer during AC-heavy days.