ROUND LAB BIRCH JUICE MOISTURIZING SERUM 50ML

Values: 100% Genuine (Adilsons policy) · Vegan-Friendly* · Halal-Friendly* · Pregnancy-Safe (no pregnancy-unsafe ingredients found).

If your skin is oily on the surface but tight and uncomfortable underneath, that's the dehydrated-oily paradox — a lightweight hydration serum like this addresses the actual dehydration without adding the heaviness that a rich cream would, which often makes surface oiliness worse over time by encouraging more stripping.

Pros: genuinely lightweight, multi-molecular-weight HA for layered hydration, licorice-derived calming ingredient with real anti-inflammatory backing, fast absorption suited to humid climates. Caveats: the marketed Vitamin C is present at a trace, stabilizing-only concentration, not a brightening dose; peer-reviewed clinical data on topical birch sap specifically (as opposed to its general phytochemical profile) is limited; contains Hydrogenated Lecithin, which some sources flag as an FA-conditional ingredient.

Compatibility checklist: bedside-compatible (no sink needed) — yes; requires rinsing — no; requires precise dosage — no, a rough 2-3 drops is forgiving; usable with unwashed hands — yes, a dropper/pump avoids finger contact; requires wait time — a brief 30-60 seconds, skippable in a pinch; can be a single-product routine — yes, on a night you can't manage more than one step.

Minimum viable routine position: this serum qualifies as one of the two or three products in a bare-bones routine (cleanser optional, this serum, moisturizer) when executive function is low — it delivers real hydration with almost no technique required.

Sensory aversion check: the light-fluid texture has no tackiness or heaviness that would discourage use even when touch-sensitivity or texture aversion is high on a difficult day.

Step 1 (When): AM and PM, after toner. Step 2 (How much): 2-3 drops or 1 pump. Step 3 (How): Press gently into skin; 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) Toner → 3) Birch Juice Moisturizing Serum → 4) Moisturizer → 5) Sunscreen.

In Mauritius's humid mornings, this serum's humectant HA complex draws water from the humid air itself, an advantage over drier climates where the same molecules pull from your own deeper skin layers instead.

1) Double cleanse → 2) Toner → 3) Birch Juice Moisturizing Serum → 4) Moisturizer.

As a hydration-lane product with no exfoliating or retinoid actives, it needs no rotation in a skin-cycling schedule and can be used every single night without restriction.

Technique: pat/press into skin rather than rubbing. Wait time: 30-60 seconds before moisturizer. Skin state: apply to slightly damp skin post-toner for best absorption.

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; wait-time defaults 10-20s watery layers, 30-60s serums, 10-15 min before sunscreen; default amounts 5-8 drops toner, 2-3 drops serum, 1-2 peas cream, two-finger rule sunscreen. If a routine pills, stings, or feels heavy, reduce layers.

AM Maximum Stack: 1. Rinse/Gentle Cleanse (optional) → 2. pH-Prep Toner (optional) → 3. Hydrating Toner Layers (optional) → 4. Essence (optional) → 5. Mist (optional) → 6. Booster/Soothing Serum (optional) → 7. Antioxidant Lane (optional — this product's trace Vitamin C doesn't fill this lane meaningfully) → 8. Pigment Support Lane (optional) → 9. Hydration Serum Lane — this product's slot → 10. Oil-Control Lane (optional) → 11. Peptide/Repair Lane (optional) → 12. Eye Cream (optional) → 13. Moisturizer → 14. Optional Sealing Layer (dry/AC only) → 15. Sunscreen SPF50+ PA++++ (non-negotiable) → 16. Lip SPF (optional).

PM Maximum Stack: 1. Micellar pre-cleanse (optional) → 2. Oil Cleanser/Balm (if SPF/makeup) → 3. Water Cleanser → 4. pH-Prep Toner → 5. Hydrating Toner Layers → 6. Essence → 7. Soothing Serum → 8. Anchor active/treatment → 9. Hydration Serum Lane — this product's slot → 10. Moisturizer → 11. Sleeping Mask (optional) → 12. Occlusive Seal (optional) → 13. Spot Treatment (as needed) → 14. Lip Sleeping Mask (optional). Do not layer retinoids with AHA/BHA in the same night; keep "one lane" per night.

This is a light-fluid serum — thicker than a toner, thinner than a gel-cream — applied after toner/essence and before moisturizer.

Phase compatibility: water-phase humectant serum with a small amount of Caprylic/Capric Triglyceride (a light ester, not a heavy oil). Layers cleanly under most moisturizers without pilling.

Hydration: the triple-HA complex (three different molecular weights) hydrates at multiple skin depths simultaneously — Sodium Hyaluronate and Hydrolyzed HA penetrate more superficially, while larger HA molecules sit on the surface. Calming: Dipotassium Glycyrrhizate (a licorice root derivative) has a well-documented anti-inflammatory mechanism.

What this product cannot do: it cannot deliver a meaningful Vitamin C brightening effect at the concentration present, cannot treat active acne, and is not an exfoliant.

Primary pick — moisturizer to seal this serum's hydration: ROUND LAB Mugwort Calming Cream. Alternatives: ROUND LAB Soybean Nourishing Cream, ROUND LAB Camellia Deep Collagen Firming Cream, ROUND LAB Baby Mild Cream.

Primary pick — matching sunscreen from the same sub-line: ROUND LAB Birch Juice Moisturizing Tone Up Sunscreen. Alternatives: ROUND LAB Birch Juice Mild-Up Sunscreen, ROUND LAB 1025 Dokdo Sunscreen.

Pilling pairs: unlikely given the light texture; if pilling occurs, ensure the prior toner layer has fully absorbed before applying this serum.

MYTH: "If Vitamin C is on the ingredient list, the product delivers a brightening effect." REALITY: at a trace, stabilizing-only concentration (below the estimated 1% line here), Ascorbic Acid contributes to formula stability, not a meaningful brightening dose — check the ingredient's position in the list, not just its presence.

MYTH: "Birch sap is a well-studied clinical ingredient like niacinamide or hyaluronic acid." REALITY: its general phytochemical profile (amino acids, organic acids, minerals) is documented, but peer-reviewed clinical studies specifically on topical birch sap in skincare are limited — treat brand claims about it with appropriate caution.

Permeability: Water-Permeable (wudu-compatible).

This serum's water-phase, humectant base (glycerin, HA complex) with only a small amount of Caprylic/Capric Triglyceride absorbs into skin rather than sitting on top as a water-blocking film — water from wudu should reach the skin normally once the serum has absorbed, roughly 30-60 seconds after application.

Adilsons provides this assessment based on the product's physical properties. Rulings on wudu validity vary between scholars. Consult your own trusted Islamic authority.

AC environment warning: in air-conditioned environments, the HA complex can pull moisture from your deeper skin layers instead of the air. Always seal this serum with a moisturizer when spending extended time in AC. Mauritius tap water hardness varies by region; this serum's humectant formula helps counteract post-cleanse tightness from hard water.

*Emerging: peer-reviewed clinical data specifically on topical birch sap is limited. *Fairy Dusting: Ascorbic Acid appears below the estimated 1% line in the INCI list (independently corroborated at roughly 0.55-0.80% by a third-party analysis), suggesting it is present at a trace/sub-efficacious concentration for brightening purposes — its inclusion likely serves a stabilizing/marketing role rather than a clinical one.

Full INCI (aggregated from third-party ingredient-listing sites; direct WebFetch to incidecoder.com/skinsignal.com blocked in this environment, so treat as medium-confidence): Purified Water, Methylpropanediol, Glycerin, 1,2-Hexanediol, Polyglycerin-3, Caprylic/Capric Triglyceride, Birch Sap, Sodium Hyaluronate, Glyceryl Glucoside, Hydrolyzed Hyaluronic Acid, Butylene Glycol, [--- Estimated 1% Line ---] Hyaluronic Acid, Ascorbic Acid, Beta-Glucan, Dipotassium Glycyrrhizate, Hydrogenated Lecithin, Ethylhexylglycerin, and additional plant extracts per a stated 40-ingredient formula, not fully itemized this pass.

Preservative system: 1,2-Hexanediol and Ethylhexylglycerin form a paraben-free, glycol-based preservative-booster pair.

Fragrance status: no Fragrance/Parfum entry or named essential oil found in the aggregated INCI checked this pass. EU 26 allergen screen: none detected in the confirmed portion.

Alcohol disclosure: Alcohol-Free — no ethanol or denatured alcohol found; Methylpropanediol is a glycol solvent, not a drying alcohol.

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 checked this pass. This is NOT a formal Halal certification.

Vegan: *Self-assessed by Adilsons based on available INCI data. Hydrogenated Lecithin is most commonly soy or sunflower-derived in modern cosmetic formulation, not animal-derived, though the exact botanical source for this SKU was not independently confirmed. This is NOT a formal vegan certification.

Cruelty-Free: ROUND LAB's cruelty-free status carries genuinely conflicting third-party reporting.* *Not presented as a resolved claim either way.

Microplastic-Free: Yes — no microplastic-associated polymer found in the confirmed portion of the declared INCI.

MFDS classification: General Cosmetic — no evidence found of Functional Cosmetic registration for this SKU. Evidence confidence: High for the HA complex and Dipotassium Glycyrrhizate (well-established ingredient classes); Low-Marketing-Only* for the specific brightening angle sometimes implied by the presence of Vitamin C, given its trace concentration.

*One third-party analysis (What's In My Jar) independently estimated the Ascorbic Acid concentration at 0.55-0.80%, corroborating the fairy-dusting assessment above.

Fungal Acne Safety: FA-Conditional — Hydrogenated Lecithin is flagged by some FA-safety community sources as a potential conditional trigger; patch test if managing active fungal acne.

Assessment: Low. This light-fluid serum layers cleanly under most moisturizers; ensure the prior toner step has absorbed fully to minimize any risk.

Fresh appearance is a clear-to-slightly-translucent light gel. If it develops an off/sour smell, visible cloudiness, or separation that doesn't remix with shaking, discard it — the trace Vitamin C content can also darken slightly with air/light exposure over time, which is a normal early sign to watch for, not necessarily spoilage on its own.

Store away from direct sunlight and excessive bathroom heat/humidity. When in doubt, discard.

Patch test on the inner forearm for 24 hours before full facial use. If adverse reaction occurs: stop all actives, use only a gentle cleanser and plain moisturizer for 72 hours, then reintroduce one product per 14 days.

Emergency stop signals: hives, swelling, blistering, persistent burning, or breathing difficulty — seek emergency care.

Expecting a brightening effect from the trace Vitamin C content; skipping a moisturizer afterward, especially in AC; assuming "birch juice" is as well-studied as niacinamide or HA; over-applying more than 2-3 drops thinking it speeds up hydration.

Overuse threshold: there's no meaningful downside to daily AM/PM use at the recommended amount; more product per application doesn't add further hydration.

At roughly 2-3 drops per use, twice daily, a 50ml bottle provides approximately 8-10 weeks of use. Using significantly more per application doesn't improve results and simply depletes the bottle faster.

Consider reordering about 2 weeks before you expect to run out.

This serum is a hydration-lane step between toner and moisturizer — its job is water delivery and mild calming support, not treatment.

If you have dehydrated-oily skin, this serum plus a lightweight gel moisturizer (rather than a rich cream) is usually the better combination. If you're in AC most of the day, always seal with a moisturizer afterward. If you want an actual brightening effect, pair this with a dedicated higher-dose Vitamin C or niacinamide serum rather than relying on this product's trace amount.

Bundle — Birch Juice Hydration Routine: Birch Juice Moisturizing Cleanser → Birch Juice Moisturizing Serum → Mugwort Calming Cream → Birch Juice Tone Up Sunscreen.

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 you want a real, higher-dose Vitamin C serum rather than a trace/stabilizing amount, Beauty of Joseon Glow Serum (Propolis + Niacinamide) uses a brand-stated 2% Niacinamide for a genuine brightening angle instead. For a pure hyaluronic-acid hydration focus, ROUND LAB 1025 Dokdo Ampoule is a same-brand alternative built on deep-sea water and HA. Anua PDRN Hyaluronic Acid Capsule 100 Serum (10ml) is a third hydration-forward option built on PDRN plus 11 hyaluronic acid types, currently in stock.

Choose Birch Juice Moisturizing Serum over 1025 Dokdo Ampoule if you want licorice-derived anti-inflammatory support layered onto hydration: this serum adds Dipotassium Glycyrrhizate for real calming benefit, while the Dokdo Ampoule is built purely around deep-sea mineral water and HA with no comparable calming ingredient.

Upgrade triggers (IF/THEN): IF your skin is reactive, easily flushed, or barrier-compromised alongside being dehydrated, THEN this serum's calming ingredient makes it the better pick. IF you specifically want ROUND LAB's deep-sea mineral-water positioning with no other functional difference, THEN the Dokdo Ampoule is equally valid.

Timing/lane note: both occupy the same Hydration Serum Lane and can be used interchangeably at the same routine step — this is a formulation-emphasis choice, not a strength upgrade.

Don't upgrade if: you already own and are still finishing the Dokdo Ampoule — there is no meaningful benefit to running both hydration-lane serums at once.

If calming/anti-inflammatory support matters to you, THIS is worth choosing. If not, the Dokdo Ampoule is equally sufficient. Consistency beats complexity.

This product's PRIMARY function is: multi-molecular-weight hyaluronic acid hydration with mild calming support. You do NOT need this if you already own another plain hydrating serum you're actively finishing — use that up first.

Stacking assessment: No Benefit if run alongside another pure-HA hydration serum (same mechanism); Significant Benefit if your current routine has no dedicated hydration-serum step between toner and moisturizer.

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 check for this SKU: genuine ROUND LAB bottles show crisp, evenly-aligned printing on the batch code; be cautious of listings priced well below typical retail.

ROUND LAB's Birch Juice line is positioned around Betula Alba Juice sourced from Korean birch trees, marketed alongside a "Vita hyaluronic acid" trade name for its multi-HA complex — that specific trade name was not independently confirmed against the brand's own technical documentation.

Per a DermApproved-style third-party effectiveness scoring aggregator, this product scored 75/100 for effectiveness with a "medium" irritation-potential rating (methodology-specific scores, not an independent clinical trial). Reviewers on retail sites (YesStyle, Gopicky) consistently describe a lightweight, non-sticky texture that absorbs quickly and works well for oily/combination skin in humid climates, despite being marketed as a "moisturizing" product.

Common praise: lightweight feel, fast absorption, gentle enough for sensitive skin. Common complaint: limited peer-reviewed evidence specifically on topical birch sap, and the marketed Vitamin C content doesn't deliver a noticeable brightening effect at its actual concentration.

Will this brighten my skin like a Vitamin C serum? No — the Ascorbic Acid here is at a trace, stabilizing-only concentration (roughly 0.55-0.80% per third-party analysis), not a brightening dose.

Is it fragrance-free? Yes, confirmed by the declared INCI checked this pass.

Can sensitive skin use this? Yes — the licorice-derived calming ingredient and lack of harsh actives make it a reasonable fit for sensitive skin.

Is birch sap clinically proven? Its general phytochemical profile is documented, but peer-reviewed clinical studies specifically on topical birch sap in skincare are limited.

Does it contain collagen capsules as some retail copy suggests? No Collagen ingredient was found in the declared INCI checked this pass — that specific retail-copy claim was not corroborated and is not repeated here as fact.

Hyaluronic Acid (multi-weight)

A humectant that holds water; different molecular sizes hydrate at different skin depths.

Beta-Glucan

A soothing, barrier-supportive polysaccharide.

Dipotassium Glycyrrhizate

A licorice-root-derived anti-inflammatory ingredient.

Fairy dusting

Including a marketable ingredient at a trace, sub-efficacious concentration mainly for label appeal.

Osmolyte

A molecule that helps skin cells regulate internal water balance.

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 wanting a genuinely lightweight, multi-weight-HA hydration serum for daily use, including dehydrated-oily skin. Not the right pick if you specifically want a real brightening dose of Vitamin C.

Key benefits: lightweight non-sticky texture suited to Mauritius humidity, real anti-inflammatory backing from licorice-derived Dipotassium Glycyrrhizate, fragrance-free formula.

Keep in mind: the marketed Vitamin C is trace/stabilizing only; peer-reviewed evidence on topical birch sap specifically is limited; contains Hydrogenated Lecithin, an FA-conditional ingredient for fungal-acne-prone skin.