Thirsty Skin? Give It a Fresh Drink of Hydration.
Plump-looking, dewy, beautifully soft skin — without the greasy feeling.
Does your skin ever look dull, feel tight or seem to lose its fresh glow throughout the day?
Even when you moisturise regularly, dehydrated skin can sometimes need an extra layer of care.
Meet your new hydration essential: a lightweight Korean serum designed to leave your complexion feeling supple, refreshed and beautifully comfortable.
Infused with birch sap, three forms of hyaluronic acid and moisture-supporting ingredients, this silky serum helps replenish hydration while leaving skin looking naturally radiant.
All the glow. None of the greasy finish.
Why You'll Love It
A refreshing hydration boost: Helps replenish moisture and relieve the feeling of dryness and tightness.
Dewy, plump-looking skin: Supports a smoother, fresher-looking complexion.
Lightweight, non-greasy texture: Absorbs comfortably without leaving a heavy or oily feeling.
10,000 ppm birch sap: A signature Round Lab ingredient that helps hydrate and condition the skin.
Triple hyaluronic hydration: Hyaluronic Acid, Hydrolyzed Hyaluronic Acid and Sodium Hyaluronate help support moisture retention.
Extra skin comfort: Beta-Glucan and Glyceryl Glucoside contribute to a soft, comfortable skin feel.
Easy to layer: Fits effortlessly between your toner and moisturiser, morning or evening.
The Secret to That Fresh, Dewy Look
When your skin feels dehydrated, even your favourite moisturiser may not seem quite enough.
This is where a lightweight hydrating serum makes a lovely difference to your routine.
Its silky, watery texture spreads easily, helping deliver a layer of moisture without weighing your skin down.
The result? Skin that feels softer, looks fresher and has that beautifully hydrated appearance we all love.
A little extra hydration. A lot more glow.
What Makes This Serum Special?
Birch Sap — 10,000 ppm
Sourced from birch trees, this signature ingredient helps condition the skin and maintain a comfortable, hydrated feel.
Three Forms of Hyaluronic Acid
Hyaluronic Acid, Hydrolyzed Hyaluronic Acid and Sodium Hyaluronate work as moisture-supporting ingredients to help skin feel smooth and supple.
Glyceryl Glucoside
Helps support skin hydration and maintain a moisturised appearance.
Beta-Glucan
A skin-conditioning ingredient that contributes to a comfortable, soft complexion.
Eclipta Prostrata Leaf Extract
A botanical ingredient included for its skin-conditioning properties.
How to Use
Step 1: Cleanse your face and apply your favourite toner.
Step 2: Dispense an appropriate amount of serum into your hands.
Step 3: Gently smooth over your face, avoiding direct contact with the eyes.
Step 4: Pat lightly until absorbed.
Step 5: Follow with your moisturiser to complete your hydration routine.
Use morning and evening. During the day, finish with a broad-spectrum sunscreen.
Belviane Tip
Build your own Birch Juice hydration routine.
For a simple Korean skincare ritual, pair this serum with two favourites from the same collection:
1. Round Lab Birch Juice Moisturizing Cleanser
Start with a gentle cleanse that leaves your skin feeling fresh and comfortable.
2. Round Lab Birch Juice Moisturizing Serum
Apply your hydration boost while your skin is ready for the next step.
3. Round Lab Birch Juice Moisturizing Cream
Finish with a comforting moisturiser to help maintain softness and hydration.
For daytime care, always complete your routine with sunscreen.
Cleanse. Hydrate. Moisturise. Glow.
Ingredients (Full INCI)
Water, Methylpropanediol, Glycerin, 1,2-Hexanediol, Polyglycerin-3, Caprylic/Capric Triglyceride, Betula Platyphylla Japonica Juice (10,000 ppm), Sodium Hyaluronate, Glyceryl Glucoside, Hydrolyzed Hyaluronic Acid, Butylene Glycol, Hyaluronic Acid, Ascorbic Acid, Beta-Glucan, Dipotassium Glycyrrhizate, Hydrogenated Lecithin, Ethylhexylglycerin, Eclipta Prostrata Leaf Extract, Laminaria Japonica Extract, Avena Sativa (Oat) Kernel Extract, Cynara Scolymus (Artichoke) Leaf Extract, Pteris Multifida Extract, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Coccinia Indica Fruit Extract, Aloe Barbadensis Flower Extract, Solanum Melongena (Eggplant) Fruit Extract, Ocimum Sanctum Leaf Extract, Corallina Officinalis Extract, Curcuma Longa (Turmeric) Root Extract, Cyclohexasiloxane, Dipropylene Glycol, Ammonium Acryloyldimethyltaurate/VP Copolymer, Xanthan Gum, Fructooligosaccharides, Carbomer, Disodium EDTA, Polyquaternium-51, Tromethamine, Tocopherol.
Safety & Care
For external use only.
Avoid direct contact with the eyes. If contact occurs, rinse thoroughly with water.
Do not apply to broken or irritated skin.
Discontinue use if irritation, redness, itching or swelling occurs. Seek professional advice if symptoms persist.
If you have particularly sensitive skin, consider patch testing before first use.
Keep out of reach of children.
Store in a cool, dry place away from direct sunlight.
Always refer to the product packaging for the most up-to-date ingredient and safety information.
Ready for Your Dewy Skin Moment?
Lightweight hydration. A fresh-looking glow. Beautifully soft skin.
Give your complexion that extra layer of moisture it has been craving.
Add your Birch Juice Moisturizing Serum to your skincare routine today.

