Round Lab BIRCH JUICE MILD-UP SUNSCREEN 50ml

Values: 100% Genuine · Reef-Safe · Pregnancy-Safe · Halal-Friendly* · Vegan-Friendly*

*Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected in the declared ingredient list. This is NOT a formal vegan certification by The Vegan Society or equivalent body.

*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.

Pros: Mineral-only UV filter (no oxybenzone/avobenzone/octinoxate); lightweight silicone base avoids the classic thick mineral-sunscreen feel; hydrating Birch Juice/Hyaluronic Acid base.

Caveats: Exact SPF/PA rating for this specific "Mild-Up" naming was not independently confirmed against the physical packaging this run — verify on your unit before relying on a specific number; community review coverage for this exact naming variant is thinner than for other Round Lab sunscreens.

Checklist: Bedside-compatible — not applicable (daytime-only product). Requires rinsing — no. Requires precise dosage — yes, the 2-finger rule matters for real SPF protection; this is not a "rough guess" product. Requires wait time — 10-15 minutes before sun exposure or makeup is ideal, but not mandatory to still function.

Minimum viable routine position: On a low-energy morning, this can be your entire AM step after a quick rinse — sunscreen is the one product in any routine that should never be skipped for convenience.

Step 1 — When: AM, as the last skincare step before makeup.
Step 2 — How much: Two full fingers' worth for the face (the "2-finger rule").
Step 3 — How: Press/pat evenly over the whole face and neck — do not rub thin, which reduces the actual SPF protection you get.

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/essence (optional).
3. Serum (Vitamin C/niacinamide, if used).
4. Moisturizer (optional — this sunscreen's own Hyaluronic Acid content may be enough on its own for normal/combination skin).
5. Round Lab Birch Juice Mild-Up Sunscreen — 2-finger rule, wait 10-15 min before sun/makeup.

In Mauritius' intense UV index, this is the single non-negotiable step of the whole routine — everything before it (Vitamin C, niacinamide, moisturizer) is optimization; this is the baseline.

1. Double cleanse (oil/balm cleanser first to fully dissolve the silicone/mineral sunscreen film, then a water-based cleanser).
2. Rest of PM routine as normal.

This product has no PM role — it is a daytime-only sunscreen. Removing it thoroughly at night matters more than usual given its silicone-forward, film-forming texture, which a single water-based cleanse often won't fully clear.

Squeeze a line of sunscreen along your index and middle fingers. This is approximately 1.25ml — the amount needed for your face alone.

Technique: Press/pat into skin rather than rubbing thin — friction and thin application both reduce the effective SPF you actually get versus the labelled number.

Wait time: 10-15 minutes before sun exposure or makeup application for the mineral film to settle fully.

This is an encyclopedia map of all product types. You do not use all of these daily. You select modules based on your skin state.

Global rules: viscosity ladder runs thinnest to thickest, water-phase before oil-phase, treatments before seals. Wait-time defaults: watery layers 10-20s, serum layers 30-60s, 10-15 min before sunscreen if going outdoors. Amount defaults: toner/essence 5-8 drops; serum/ampoule 2-3 drops or 1 pump; eye product ½ rice-grain per eye; gel moisturizer 1-1.5 peas, cream 1-2 peas; sunscreen 2-finger rule for face, +1 finger for neck. Hard cap rule: 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 (optional) → 4. Essence (optional) → 5. Mist (optional) → 6. Booster/soothing serum (optional) → 7. Antioxidant lane (choose one) → 8. Pigment support lane (choose one) → 9. Hydration serum lane → 10. Oil-control lane (choose one) → 11. Peptide/repair lane → 12. Eye cream → 13. Moisturizer → 14. Optional sealing layer → 15. Sunscreen SPF (this product, non-negotiable) → 16. Lip SPF. In AM, prioritize comfort and SPF adherence over stacking — in high humidity, fewer layers often perform better and let sunscreen sit more evenly.

PM Maximum Stack: 1. Micellar pre-cleanse (optional) → 2. Oil cleanser/balm (needed to fully remove this sunscreen) → 3. Water cleanser → 4-14. Rest of PM routine as normal; this product plays no PM role.

This is the final, sealing step of any AM routine — apply after all treatment serums and moisturizer, never before them, since sunscreen needs to sit as an even, undisturbed film on top of skin.

Phase compatibility: a silicone/mineral suspension rather than a typical water- or oil-phase emulsion. Let any preceding hydration step absorb fully (avoid a wet or tacky surface) before applying, which reduces pilling risk with the mineral/silicone film.

Prerequisites: None — sunscreen is a foundational, not advanced, step. Everyone in daily Mauritius sun needs one.

Primary target: UVA/UVB protection via Zinc Oxide's mineral reflection/scattering mechanism, which prevents both sunburn (UVB) and deeper photoaging/pigmentation-triggering damage (UVA).

Secondary benefit: Surface hydration from Birch Juice and Hyaluronic Acid, which softens the "sunscreen makes my skin feel dry/tight" complaint some mineral formulas cause.

What this product cannot do: It cannot fade existing pigmentation, treat acne, or reverse sun damage already present — it only prevents new UV damage. It also cannot protect skin that isn't covered by an adequate 2-finger amount; a thin application meaningfully lowers real-world SPF below the label number.

Primary pick — Round Lab Vita Niacinamide Dark Spot Serum 30ml: apply before this sunscreen; niacinamide's pigment-pathway support is only durable when paired with daily UV protection. Use AM.

Alternative 1 — AXIS-Y Dark Spot Correcting Glow Toner 125ml: a Vitamin-C-derivative toner that layers well ahead of this sunscreen for a brightening AM routine. Use AM.

Alternative 2 — Anua Peach 77% Niacin Essence Toner 250ml: a hydrating-brightening essence-toner base beneath this sunscreen. Use AM.

Alternative 3 — Round Lab Mugwort Calming Cream 80ml: a richer moisturizer underneath this sunscreen for very dry skin. Use AM.

Pilling pairs: Heavy silicone-based primers or multiple humectant toner layers underneath can pill with this sunscreen's own silicone film — let the previous step absorb fully and keep pre-sunscreen layers to one or two.

Full INCI: Water, Zinc Oxide, Isododecane, Caprylyl Methicone, Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, Methyl Trimethicone, Disteardimonium Hectorite, Sodium Hyaluronate, Hyaluronic Acid, Betula Platyphylla Japonica Juice, Artemisia Annua Extract, Methyl Methacrylate Crosspolymer, Glycerin, Butylene Glycol, Propanediol, Glyceryl Glucoside, Magnesium Sulfate, [--- Estimated 1% Line ---] Triethoxycaprylylsilane, Anthemis Nobilis Flower Oil, Pinus Sylvestris Leaf Oil, Saccharomyces Ferment Filtrate, Ethylhexylglycerin, Caprylyl Glycol, Glyceryl Caprylate, Butyloctyl Salicylate, Polymethylsilsesquioxane, Cyclohexasiloxane, 1,2-Hexanediol, Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, Cryptomeria Japonica Leaf Extract, Tocopherol, Ascorbic Acid.

*Ascorbic Acid and Tocopherol appear below the estimated 1% line, suggesting a trace/supporting concentration rather than a headline antioxidant dose. This estimate is not brand-confirmed. This full list was assembled via WebSearch cross-reference of INCIDecoder/Skinsort/Skinsignal listings, since direct page access was blocked in this research pass — treat as medium confidence.

Preservative system: Ethylhexylglycerin, Caprylyl Glycol, Glyceryl Caprylate, and 1,2-Hexanediol — a modern, alcohol-free multifunctional preservative combination.

Fragrance status: Essential Oils Only — no "Fragrance/Parfum" entry, but Anthemis Nobilis (Chamomile) Flower Oil and Pinus Sylvestris (Pine) Leaf Oil are named essential oils present.

Scent: Light herbal/floral undertone from the chamomile and pine oils; not a strong perfume-style scent.

Intensity: 1-2/5. Dissipation: Under 5 minutes.

EU 26 allergen screen: None explicitly named in the declared INCI, though essential oils can contain undisclosed constituent allergens.*

*Based on brand-declared INCI. The term naming individual essential oils does not disclose their full constituent chemistry, which may contain undisclosed allergens. Patch test advised for sensitive individuals.

Alcohol disclosure: Alcohol-Free — no ethanol/denatured alcohol 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, per prior brand-level research — sources on this specifically genuinely conflict (some describe Round Lab as cruelty-free, others report no formal certifier response), so this is treated as an unresolved, uncertified claim rather than a confirmed fact either way.

Reef safety: Reef-Safe. Zinc Oxide is the sole UV filter; the declared INCI contains no oxybenzone or octinoxate, the two reef-harming chemical filters most commonly restricted by reef-safe regulations.

Microplastic-Free: Yes — no polyethylene or acrylate-copolymer microplastic detected in the declared INCI (Methyl Methacrylate Crosspolymer and Polymethylsilsesquioxane are film-forming texturizers, not classified as the same microplastic-of-concern category as polyethylene beads).

MFDS classification: Not independently confirmed this run. Sunscreens with an SPF/PA claim are typically registered as Functional Cosmetics in Korea, but this exact SKU's registration status was not verified against a primary source.

Evidence confidence: Medium. Zinc Oxide's UV-filtering mechanism is well-established dermatological science; no SKU-specific clinical SPF/PA test report was independently located for this exact naming variant during this research pass.

Broad spectrum: Zinc Oxide alone provides genuine broad-spectrum coverage across both UVA and UVB — a real strength of single-filter mineral formulas.

White cast assessment: Independent purchaser commentary found during research described minimal white cast for this formula, likely aided by the silicone-forward base; Fitzpatrick Types IV-VI should still patch test on a small area first, since mineral formulas vary in cast by batch and skin depth.

Eye sting risk: Low-moderate. In Mauritius heat, sweat carries product into eyes — avoid application within 1cm of the orbital bone if you have sensitive eyes.

Reapply every 2 hours of sun exposure. A full day outdoors in Mauritius requires 3-4 reapplications.

Reef safety cross-reference: See Conscious and Permissible Formulation above — Reef-Safe, mineral-only filter.

Naming-family note: Round Lab sells several closely related Birch Juice sunscreen names (Mild-Up Sunscreen, Mild-Up Sun Cream, UV Lock, Tone Up Sunscreen, plain Sun Cream, Sun Stick). This description covers the "Mild-Up Sunscreen" naming specifically; do not assume identical SPF/PA or exact formula across the other variants without checking each one's own listing.

Fungal Acne Safety: FA-Conditional. Butyloctyl Salicylate is a mild caution ingredient on some Malassezia-feeding lists; the base is otherwise predominantly silicone, which is generally considered FA-neutral. Patch test if you are fungal-acne prone.

Assessment: Low-Medium. Silicone-forward sunscreens can pill when layered over incompletely-absorbed humectant toners/essences or under a second silicone-heavy primer.

Mitigation: Let any prior hydrating step fully absorb (30-60s), apply the sunscreen in a thin even press rather than rubbing back and forth, and wait the full 10-15 minutes before makeup.

Baseline color: Fresh product is a light, slightly opaque white-to-cream fluid; a yellowed tint or separated texture suggests degradation.

Storage: Keep away from prolonged direct heat (a hot car, a sun-exposed bathroom shelf) — Zinc Oxide itself is stable, but the silicone/emulsion base can break down faster in repeated heat cycling.

Spoilage signs: Separation that doesn't remix on shaking, an off smell, or a gritty texture change. When in doubt, discard — sunscreen efficacy is not something to gamble on with an aged product.

Patch test on the inner forearm for 24 hours, then behind the ear for 24 hours, before first facial use.

If adverse reaction: STOP ALL ACTIVES. For 72 hours, use ONLY a gentle cleanser, plain moisturizer, and a different, simpler 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. Applying too little — the 2-finger rule is not optional if you want the labelled SPF.
2. Rubbing it in until it "disappears" — this thins the film and lowers protection.
3. Skipping reapplication because "it's a mineral sunscreen, it lasts longer" — mineral filters still need the same 2-hour reapplication cycle as chemical filters.
4. Not double-cleansing at night — the silicone film needs an oil/balm first cleanse to fully remove.
5. Applying over unabsorbed serum layers, causing pilling and uneven coverage.

Overuse threshold: There is no "overuse" ceiling for a daily sunscreen — the risk runs the other way, toward under-application and under-reapplication.

Usage math: 50ml tube; approximately 1.25ml (2-finger rule) per face application.

Lifespan: At one AM application daily, roughly 40 uses, or about 5-6 weeks; add a midday reapplication and it depletes closer to 3-4 weeks. Skimping on the amount to make it "last longer" defeats the point of a sunscreen.

Reorder timing: Reorder when down to roughly the last third of the tube to account for shipping time — running out mid-week is the worst time to discover it.

This sunscreen is the final, mandatory step of every AM routine in Mauritius — everything before it matters less if this step is skipped or under-applied.

AM: 1. Cleanser → 2. Serum/toner (optional) → 3. Moisturizer (optional) → 4. Birch Juice Mild-Up Sunscreen (2-finger rule, wait 10-15 min).

If you're heading straight outdoors for hours, carry a travel-size reapplication option (a sun stick works well over makeup) rather than skipping the 2-hour reapply rule.

If you wear makeup daily, apply this sunscreen and wait the full 10-15 minutes before foundation/primer to reduce pilling.

If your skin runs oily by midday, blot rather than reapply a full fresh layer over active oil — a light powder-based SPF touch-up mid-day can supplement without disrupting the base layer.

Stock-true bundle 1 (brightening AM routine): Birch Juice Mild-Up Sunscreen + Round Lab Vita Niacinamide Dark Spot Serum + Round Lab Birch Juice Moisturizing Cleanser — a complete brand-matched AM routine pairing pigment-support with daily UV protection.

Stock-true bundle 2 (hydration-focused AM routine): Birch Juice Mild-Up Sunscreen + Anua Peach 77% Niacin Essence Toner + Round Lab Mugwort Calming Cream — a hydration-and-calming-forward AM sequence for dry or reactive skin heading into full sun.

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

The recommendations above are based on formulation synergy with Birch Juice Mild-Up Sunscreen, 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.

Primary alternative — SKIN1004 Madagascar Centella Air-Fit Suncream Light 50ml: another Zinc-Oxide-only mineral sunscreen, SPF30 PA++++, if you want a lighter SPF number for daily indoor-heavy days.

Alternative 1 — Beauty of Joseon Relief Sun: Rice + Probiotics SPF50+ PA++++ 50ml: a chemical-filter sunscreen if you prefer a different filter technology, with strong independent popularity.

Alternative 2 — Anua Heartleaf Silky Moisture Sun Cream 50ml: a chemical-filter, serum-textured alternative built around Heartleaf extract for redness-prone skin.

Alternative 3 — Round Lab Birch Juice Moisturizing Tone Up Sunscreen 50ml SPF50+ PA++++: a brand-matched alternative if you want a brightening tone-up finish alongside UV protection.

Choose Birch Juice Mild-Up Sunscreen over the SKIN1004 Air-Fit Suncream Light if you need broad-spectrum coverage with a Hyaluronic-Acid-forward hydration base rather than the lightest possible SPF30 texture.

If your skin runs dry alongside sun exposure, this Birch Juice formula's extra hydration is worth choosing.
If you want the lightest possible daily-wear mineral SPF and don't need extra hydration, the SKIN1004 alternative is a reasonable, lighter pick.
If you specifically want a tone-up/brightening cast, choose the Round Lab Tone Up Sunscreen variant instead of either of these.

Don't upgrade to this over a simpler mineral sunscreen if: you are fungal-acne prone and reactive to salicylate esters — check the SKIN1004 alternative's own INCI for a possibly cleaner fit first.

If you match 2 or more upgrade triggers above, THIS is worth choosing. If not, the alternative is sufficient and safer. Consistency beats complexity.

This product's PRIMARY function is: daily broad-spectrum UV protection via a mineral (Zinc Oxide) filter. You do NOT need this if you already own an open, unexpired sunscreen you're happy with and reapplying consistently — finish that first.

Sunscreen PAO is commonly 12 months once opened, but efficacy can degrade with heat exposure well before that mark in a tropical climate — check the tube's PAO symbol and don't stockpile more than you'll use within that window.

Stacking assessment: No Benefit — running two different daily facial sunscreens simultaneously adds no extra protection; pick one and reapply consistently instead.

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 for this product: authentic tubes show crisp, precisely-aligned printing and a clean seal on first opening — verify against Round Lab's own official channels (roundlab.com, official Instagram/TikTok) if you have any doubt, and avoid unusually low-priced third-party listings.

ROUND LAB builds each sub-line around a single, geographically-specific natural ingredient rather than one umbrella hero across the whole catalog — the Birch Juice line draws on Betula Platyphylla Japonica sap for its hydration positioning, distinct from the brand's mineral-water-based 1025 Dokdo line or its mugwort-based calming line.

Community review coverage specifically for this "Mild-Up" naming variant was thinner than for other Round Lab sunscreens researched — most corroborating detail came from ingredient aggregators (Skinsort) rather than first-person reviews. One independent purchaser comment found during research described the product as having minimal white cast. No dedicated Reddit thread for this exact SKU was found during this research pass.

Common praise theme (from limited available commentary): low white cast for a mineral sunscreen. Common complaint theme: general fungal-acne caution flagged by some third-party ingredient-analysis sources for this sunscreen family — this description states that caution plainly above rather than overstating either the praise or the concern.

Sustainability: Check local Mauritius recycling guidance for the tube material; no refill program was found for this SKU during this research pass.

Is this a mineral or chemical sunscreen? Mineral — Zinc Oxide is the sole UV filter, with no chemical filters in the declared INCI.

Does it leave a white cast? Limited available reviewer commentary suggests minimal white cast, aided by the silicone-forward base, but this was not extensively re-verified against a large review sample this run — patch test on a visible area first if you have deeper skin tones.

What SPF/PA is this exact product? Not independently confirmed this run for the "Mild-Up" naming specifically — check the number printed on your physical tube, since Round Lab sells several closely related Birch Juice sunscreen variants.

Is it fungal-acne safe? Not guaranteed. Butyloctyl Salicylate is a mild FA-conditional flag; patch test if you're prone to fungal acne.

Can I use it under makeup? Yes — wait the full 10-15 minutes after application for the best makeup grip and to reduce pilling.

Mineral (physical) sunscreen

A sunscreen that uses reflective mineral particles (like Zinc Oxide) to scatter UV rays, rather than chemically absorbing them.

Broad spectrum

Protection against both UVA (aging, deeper penetration) and UVB (burning) rays.

2-finger rule

The standard amount of sunscreen (about 1.25ml) needed to cover the face at the labelled SPF strength.

White cast

A visible pale/gray tint some mineral sunscreens leave, more noticeable on deeper skin tones.

Reef-safe

Free of oxybenzone and octinoxate, the two UV filters most commonly linked to coral reef damage.

Fungal acne (Malassezia folliculitis)

Small, uniform, itchy bumps caused by yeast overgrowth, worsened by certain fatty-acid-ester ingredients.

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: Normal, dry, combination, or sensitive skin wanting a lightweight mineral-only sunscreen with real hydration and low white cast.

Key benefits: Zinc-Oxide-only filter (reef-safe, pregnancy-safe); lightweight silicone-forward texture avoids the classic thick mineral feel; Birch Juice/Hyaluronic Acid hydration base.

Keep in mind: Exact SPF/PA for this specific naming wasn't independently confirmed against the physical unit this run — check your tube; not a confident pick for strictly fungal-acne-prone skin without a patch test.

Sweat resistance & humidity performance: No specific water/sweat-resistance claim was independently verified this run — treat this as a standard daily-wear sunscreen requiring the usual 2-hour reapplication cycle rather than an extended-wear "sport" formula, and reapply promptly after heavy sweating or swimming.

AC/humidity swing interaction: Its Hyaluronic Acid content behaves like any humectant — in long AC exposure, a moisturizer underneath helps prevent it from pulling moisture from deeper skin layers instead of the air.