Anua BIRCH MOISTURE SHEET MASK (25ML*1EA)

Values: 100% Genuine | Vegan-Friendly* | Cruelty-Free* | Fragrance-Free | FA-Safe

If your skin drinks up heavy creams but still feels papery and tight underneath, it lacks water, not oil. This mask forces deep hydration into the epidermal layers using occlusion.

If your skin feels oily on the surface but tight underneath, you are dehydrated-oily — not simply oily. Your skin is overproducing oil to compensate for water loss. This product addresses the underlying dehydration, which reduces surface oiliness over time.

Pros: Immediate cooling effect; leaves zero sticky residue; contains excess essence for neck/arms. Caveats: Temporary plumping effect (needs sealing); single-use format is less sustainable for daily hydration compared to a bottled essence.

*Self-assessed by Adilsons based on available INCI data. No animal-derived ingredients detected. This is NOT a formal vegan certification.

*Brand states cruelty-free, but check cross-border regulations.

Compatibility: Highly bedside-table compatible. Requires no rinsing and can be applied with unwashed hands directly from the pouch.

This qualifies as a minimum viable routine when executive function is low. Simply wipe your face with a micellar pad, apply the mask for 15 minutes, remove, and go to sleep.

The essence is watery and cooling, presenting very low sensory aversion for those who dislike heavy or tacky textures.

Step 1: Use AM or PM, after cleansing and optional toning.

Step 2: Unfold carefully and apply the single mask to your face, aligning the eye and mouth cutouts.

Step 3: Leave on for 15 minutes maximum, then remove and pat the remaining essence into your slightly damp skin.

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 Water Rinse or Cleanser

2. Hydrating Toner (Optional)

3. Anua Birch Moisture Sheet Mask (10-15 minutes)

4. Moisturizer

5. Sunscreen SPF50+

In Mauritius morning humidity, humectants (Hyaluronic Acid, Glycerin) work exceptionally well because they draw water from the humid air rather than from deeper skin layers.

1. Oil Cleanser / Micellar Water

2. Water Cleanser

3. Anua Birch Moisture Sheet Mask (15 minutes)

4. targeted Serums (apply after removing mask, if desired)

5. Barrier Cream / Sleeping Mask

This product fits perfectly into the "Recovery" nights of a 4-night skin cycling routine, providing intense water delivery without active irritation.

Apply to damp skin. Damp skin is more permeable and prevents the Hyaluronic Acid from drawing moisture out of your deeper epidermal layers.

Pat/Press (do not rub) the remaining essence into your skin after removing the sheet. Friction degrades the polymers and increases the risk of pilling when you apply moisturizer.

Wait 60 seconds after removing the mask before applying your sealing moisturizer. Do not let the skin air-dry completely.

Squeeze the pouch before opening to ensure the essence is evenly distributed across the sheet.

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.

Viscosity ladder: thinnest → thickest; water-phase before oil-phase; treatments before seals.

Wait-time defaults: watery layers 10-20s; serum layers 30-60s; before sunscreen 10-15 min if going outdoors or applying makeup.

Amount defaults: Watery toner/essence: 5-8 drops per layer. Serum/ampoule: 2-3 drops or 1 pump. Eye product: ½ rice-grain per eye. Gel moisturizer: 1 pea-1.5 peas. Cream: 1-2 peas. Occlusive seal: rice-grain to pea-size max. Sunscreen: 2-finger rule for face.

Skin state rules: Hydrators (toners/essences/HA): best on slightly damp skin. Retinoids: best on fully dry skin. Exfoliating acids: apply to dry or lightly damp depending on irritation.

Hard cap rule: If routine pills, stings, or feels heavy → reduce layers, not increase.

AM (maximum map):

1. Rinse / Gentle Cleanse (optional) - 1-2 pumps. Wait: rinse, pat to slightly damp. Use when: oily waking skin or sweat buildup.
2. pH-Prep / Balancing Toner (optional) - 5-8 drops. Wait: 10-20s.
3. Hydrating Toner Layers (optional) - 5-8 drops per layer. In high humidity, often 1 layer is enough.
4. Essence (optional) - 5-8 drops.
5. Mist / Thermal Water (optional) - 1-2 light sprays.
6. Booster / Soothing Serum (optional) - 2-3 drops.
7. Antioxidant Lane (optional, choose ONE) - L-Ascorbic Acid (dry skin) OR Gentler antioxidant (damp/dry). Wait 1-3 mins for LAA.
8. Pigment Support Lane (optional, choose ONE) - 2-3 drops.
9. Hydration Serum Lane (optional) - 2-3 drops on slightly damp skin. Must be sealed.
10. Oil-Control / Sebum-Regulating Lane (optional, choose ONE) - 2-3 drops.
11. Peptides / Growth-Factor / Repair Lane (optional) - 2-3 drops.
12. Eye Serum/Cream (optional) - ½ rice-grain per eye.
13. Moisturizer (gel-cream or cream) - gel 1-1.5 peas / cream 1-2 peas.
14. Optional Sealing Layer (only if dry/AC) - rice-grain to pea-size max.
15. Sunscreen SPF50+ PA++++ (non-negotiable) - 2-finger rule face. Wait 10-15 mins before makeup.
16. Lip SPF (optional) - 1 swipe.

In AM, prioritize comfort + SPF adherence over stacking. In high humidity, fewer layers often perform better.

PM (maximum map):

1. Micellar (optional pre-cleanse) - saturate cotton, swipe.
2. Oil Cleanser / Balm (if SPF/makeup) - massage on dry skin 30-60s, emulsify, rinse.
3. Water Cleanser (second cleanse) - 1-2 pumps, massage 30-60s, rinse.
4. pH-Prep Toner (optional) - 5-8 drops.
5. Hydrating Toner Layers (optional) - 5-8 drops per layer.
6. Essence (optional) - 5-8 drops.
7. Soothing / Barrier Serum (optional) - 2-3 drops.
8. [Anchor Product - Sheet Mask] - Apply 15 mins, remove, wait 30-60s.
9. Targeted Serum (optional) - 2-3 drops.
10. Moisturizer - gel 1-1.5 peas / cream 1-2 peas. Wait 1 minute.
11. Sleeping Mask (optional) - thin layer.
12. Occlusive Seal (optional) - rice-grain to pea-size max.
13. Spot Treatment / Pimple Patch (as needed) - rice-grain amount or single patch.
14. Lip Sleeping Mask (optional) - thin swipe.

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

Ladder Position: Rung 3 (Water-thin essence). Apply after liquid toners but before any serums or lotions.

This product utilizes physical occlusion. The physical mask forces the watery phase (Birch Sap and Hyaluronic Acid) into the stratum corneum by preventing immediate evaporation.

Because the essence contains varying molecular weights of HA (some below 500 Daltons), the smaller molecules penetrate the upper epidermis, while the larger molecules remain on the surface to form a moisture-binding film.

This product does not cause purging. It contains no exfoliants or retinoids. If you break out in new areas while using this, it is a reaction (likely to the humidity trapped under the sheet), not a purge.

Before starting this product, your routine MUST already include: a reliable moisturizer. Without a sealing cream, the hydration provided by this mask will evaporate in dry air (TEWL), leaving you drier than before.

Dehydration: Hyaluronic Acid and Glycerin bind to water molecules, pulling them into the upper layers of the skin to resolve tightness and flaking.

Heat-Flushing: The evaporative cooling effect of the watery essence combined with the soothing properties of Birch Sap reduces temporary capillary dilation caused by Mauritius heat.

Cannot physically shrink pores. Cannot clear congested comedones. It addresses water-loss, not keratin buildup.

1. Dr.Althea 345 RELIEF CREAM: Provides the necessary ceramide and panthenol seal to lock in the mask's watery hydration. Use PM after removing the mask.

2. Anua Heartleaf 77 Soothing Toner: Preps the skin's pH and dampens the surface, increasing the permeability of the mask's essence. Use AM/PM before the mask.

If you experience pilling when layering a moisturizer over this mask's essence, apply the moisturizer while the essence is still slightly tacky, and pat gently instead of rubbing.

Status: Water-Permeable (Wudu-compatible essence).

The physical sheet mask must be removed prior to ablution. However, the essence left behind on the skin absorbs fully and does not form an impermeable silicone or heavy wax film that would block water from reaching the epidermis.

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: 'You should leave a sheet mask on until it is completely dry to absorb all the essence.'

REALITY: Leaving a sheet mask on until it dries reverses the osmotic gradient. The dry sheet will act like a sponge, pulling water out of your skin and back into the fabric, leaving you dehydrated.

MYTH: 'Daily sheet masking is the secret to glass skin.'

REALITY: While popular in media, daily occlusion can disrupt your skin's natural barrier function and trigger perioral dermatitis or fungal acne in susceptible individuals. 1-2 times a week is sufficient.

In air-conditioned environments, hyaluronic acid draws moisture FROM your deeper skin layers instead of from the air. ALWAYS seal this product with an occlusive cream when working in an AC office for extended periods.

Full INCI: Water, Dipropylene Glycol, Butylene Glycol, Glycerin, Betula Platyphylla Japonica Juice (70,000ppm), 1,2-Hexanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Allantoin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hyaluronate, Panthenol, Dipotassium Glycyrrhizate, Caprylyl Glycol, Ethylhexylglycerin, Sodium Phytate, Xanthan Gum, [--- Estimated 1% Line ---] Tromethamine, Glyceryl Acrylate/Acrylic Acid Copolymer, PVM/MA Copolymer, Aloe Barbadensis Leaf Extract, Cucumis Sativus (Cucumber) Fruit Extract, Pinus Palustris Leaf Extract, Ulmus Davidiana Root Extract, Oenothera Biennis (Evening Primrose) Flower Extract, Pueraria Lobata Root Extract, Malachite Extract, Mentha Aquatica Extract, Sodium Hyaluronate Crosspolymer, Hydrolyzed Glycosaminoglycans, Benzyl Glycol, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Raspberry Ketone.

Preservative System: 1,2-Hexanediol, Caprylyl Glycol, Ethylhexylglycerin (Paraben-free, Phenoxyethanol-free system).

Fragrance Status: Fragrance-Free. No synthetic parfum or essential oils.

Scent Description: Very faint, clinical/watery scent native to the raw ingredients. No detectable masking scent.

EU 26 Allergen Screen: None detected in declared INCI.

Alcohol Disclosure: Alcohol-Free. Contains no drying alcohols (ethanol/denatured alcohol).

Halal Status: Halal-Friendly.*

Vegan Status: Vegan-Friendly.*

Cruelty-Free Status: Brand-stated policy.*

*Self-assessed by Adilsons based on available INCI data. No ethanol from fermentation, no porcine-derived ingredients, and no animal-derived ingredients detected. Muslims with stricter requirements should consult their own scholars.

*Brand states cruelty-free, but sells products in Mainland China where post-market animal testing may be required by law. Cross-border e-commerce sales may be exempt.

MFDS Classification: General Cosmetic. Focuses on hydration and skin conditioning without targeted functional medical claims.

Evidence Confidence: High for pure hydration mechanisms. The physics of humectants and occlusion via sheet masks are universally established in dermatological science.

Fungal Acne Safety: FA-Safe. Contains no major known Malassezia-feeding lipids or polysorbates based on the declared INCI.

Pilling Assessment: Low. The essence relies heavily on water-soluble humectants rather than heavy silicones.

Pilling may occur if you vigorously rub the essence into the skin rather than patting it, which clumps the crosspolymers used for texture.

Mitigation: Always pat the essence into damp skin, wait 60 seconds, and then press (don't drag) your moisturizer over the top.

Storage: Store flat in a cool, dry place. Storing upright can cause the essence to pool at the bottom of the pouch, leaving the top of the sheet dry.

Fresh Baseline: Clear, watery essence with a clean fabric sheet.

Spoilage Signs: Cloudy essence, sour smell, or yellowing of the fabric. The pouch is single-use and must be discarded immediately after opening; do not attempt to save leftover essence for the next day without refrigeration, as the preservative system is exposed to air.

Patch Test: Tear a small corner of the pouch, extract a drop of the essence, and apply it to your inner forearm for 24 hours before applying the full mask to your face.

If adverse reaction: STOP ALL ACTIVES. For 72 hours, use ONLY gentle cleanser + plain moisturizer + mineral SPF. NO acids, retinoids, Vitamin C, exfoliants, or essential oils. After 72h, reintroduce ONE product per 14 days.

Emergency Stop Signals: Hives, swelling, blistering, persistent burning, breathing difficulty (seek emergency care).

1. Leaving the mask on overnight. This destroys the skin barrier by pulling water out of the epidermis as the room air dries the sheet.

2. Skipping moisturizer afterward. The mask delivers water (humectants); you must provide the "lid" (occlusives) to keep it there.

3. Washing your face after removing the mask. You are washing away the beneficial humectants and birch sap. Pat it in.

Maximum safe continuous use is 2-3 times per week. Exceeding this via daily masking can cause maceration (over-hydration of the stratum corneum), leading to barrier weakness.

Volume: 25ml. Recommended amount per use: 1 sheet. Uses per container: 1 application.

The 25ml volume typically leaves 3-5ml of excess essence in the pouch. Apply this excess to your neck, décolletage, or arms rather than discarding it.

Build a robust hydration cycle focusing on water delivery and ceramide retention.

This routine uses the Anua Birch Sheet Mask to force humectants into the skin, positioned at step 3 of the viscosity ladder.

PM Routine (Hydration Recovery):

1. Double cleanse and pat dry.
2. Apply Anua Heartleaf 77 Soothing Toner (5-8 drops). Wait 20s.
3. Anua Birch Moisture Sheet Mask (Leave on 15 mins, remove, pat essence).
4. Seal with Dr.Althea 345 RELIEF CREAM (1-2 peas).

If you are in an AC environment all day, then apply a slightly thicker layer of the Dr. Althea cream over the dry areas to prevent the AC from drawing the newly injected moisture out.

If your skin is currently barrier-compromised and stinging, then keep the mask in the fridge for 10 minutes prior to application to reduce thermal inflammation.

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

The recommendations above are based on formulation synergy with Anua Birch Moisture Sheet Mask, 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 your primary concern is active, angry, red acne breakouts rather than pure dehydration, consider the Anua Heartleaf 77 Soothing Sheet Mask instead. It prioritizes anti-inflammatory Quercetin over the heavy water-binding Hyaluronic Acid found in the Birch version.

Choose Anua Birch Moisture Sheet Mask over Anua Heartleaf Mask if you need intense humectant hydration: it forces multiple molecular weights of Hyaluronic Acid into dehydrated skin.

• Upgrade to THIS if your skin feels papery and tight after cleansing (dehydrated) → it provides deeper water delivery → you gain immediate surface plumping.
• Upgrade to THIS if you spend 8+ hours in strong AC → the heavy humectant load combats the vapor pressure deficit → you gain lasting bounce.

This is a pure hydration step. Apply on slightly damp skin for best performance.

• Do NOT upgrade to THIS if you are actively breaking out in inflamed cysts (Heartleaf is safer).
• Do NOT upgrade to THIS if you refuse to use a sealing moisturizer afterward.

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: SOS Hydration. You do NOT need this if you already own: multiple thick hydrating toners or HA serums that you can layer effectively. Finish your current product before purchasing.

Check your current shelf. Do you have an open box of hydrating masks? Buying new while old expires is waste.

Combining with a similar hydrating serum provides Marginal Benefit (overlapping mechanisms). Use one or the other per routine.

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.

Shipped under temperature-controlled conditions to Mauritius to prevent essence degradation.

Brand: Anua (아누아). Philosophy: "Keep things simple." Focuses on high-concentration, single-herb extracts to soothe reactive skin.

Anua formulates based on the principle of eliminating unnecessary additives, targeting inflamed, modern skin heavily impacted by environmental stress. They prioritize lightweight textures suitable for humid climates.

Reddit users with dry, dehydrated skin report that the mask provides a massive surge of water that instantly plumps fine lines and cools the skin down, especially post-sun exposure.

Users with oily skin note that it leaves a refreshing finish without the heavy, sticky residue often associated with dense sheet masks.

Some users felt the sheet material itself was a bit thick, making it slightly harder to adhere around the jawline compared to ultra-thin silk masks.

Common Praise: Tons of essence, very cooling, zero stickiness, deep hydration. Common Complaints: Fit around the chin can lift, temporary results if not sealed.

The outer pouch is mixed-material and generally non-recyclable in standard municipal streams. Discard in general waste.

Do I wash my face after using the Anua Birch Sheet Mask?

No. Washing your face removes the hydrating ingredients you just applied. Pat the remaining essence into your skin.

Is this mask good for acne?

It is non-comedogenic and hydrating, which helps barrier function, but it does not contain acne-fighting actives like BHA or Benzoyl Peroxide. It will soothe, but not treat, the root cause.

Can I reuse the leftover essence in the pouch the next day?

No. Once the pouch is opened, the preservative system is exposed to air and bacteria. Apply excess essence to your body immediately.

Does it leave a sticky feeling?

Unlike many heavy masks, the Birch Sap formula is highly watery and absorbs cleanly, making it excellent for humid climates like Mauritius.

Can I use this with retinol?

Yes. Because it is purely hydrating and contains no exfoliating acids, it pairs safely with retinoids to mitigate dryness.

Stratum Corneum

The outermost layer of your skin, composed of dead cells and lipids. It acts as your primary barrier against the environment.

Humectant

An ingredient (like Hyaluronic Acid or Glycerin) that acts like a magnet, drawing water into the skin.

Occlusion

The process of creating a physical seal over the skin to trap moisture and prevent it from evaporating into the air.

Transepidermal Water Loss (TEWL)

The process where water evaporates from inside your skin into the surrounding air, leading to dehydration.

Birch Sap

Extract from the Birch tree, rich in amino acids and minerals, known for mimicking the skin's natural moisturizing factors.

Dehydrated Oily

A condition where the skin lacks water, prompting the body to overproduce oil to compensate, resulting in an oily surface but a tight feeling underneath.

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: Dehydrated skin types needing rapid, cooling water replenishment without heavy lipids, especially after sun exposure or flights.

Key Benefits: Delivers multi-depth hydration via 10 forms of HA; cools flushing instantly; leaves a clean, non-sticky finish suitable for humidity.

Keep in Mind: The results are temporary if you fail to apply a sealing moisturizer immediately afterward. Single-use plastics are involved.

Assessment: Suitable.

This product is fragrance-free, free of harsh exfoliating acids, and devoid of retinoids. It provides gentle, cooling hydration which is highly beneficial for the severe dryness often associated with medical treatments.

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

AC / Humidity Swing Interaction: This humectant-heavy formula is highly sensitive to vapor pressure deficits. In outdoor Mauritius humidity, the Hyaluronic Acid draws moisture from the air to your skin. However, in heavily air-conditioned offices, this process reverses — the dry air will pull the Hyaluronic Acid's moisture out of your skin unless you seal it with an occlusive cream immediately after removing the mask.