ROUND LAB Birch Juice Ampoule
라운드랩 자작나무 수분 앰플
Ingredients and claims, checked

Last checked September 22, 2026
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What is it like at a glance?
What is this product?
- What to expect
- It's made for better hydration.
- Key ingredients
- Xylitylglucoside, Xylitol, Curcuma Longa (Turmeric) Root Extract
- When
- Morning and evening
A watery, lightweight hydrating serum made with birch sap. It's not sticky. It comes in a 50 ml size.
Who is it for?
Good for
- Dehydrated skin
- Sensitive skin
- Skin that doesn't get along with acids (AHA, BHA)
What to watch for?
Watch-outs
- If you get fungal acne: Lactobacillus Ferment
What makes it different?
It contains ten forms of hyaluronic acid.
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.
Key ingredientWorth a closer look
- Water
- Butylene Glycol
- Glycerin
- Pentylene Glycol
- Methylpropanediol
- 1,2-Hexanediol
- Betula Platyphylla Japonica Juice
- Xylitylglucoside
- Chlorella Vulgaris Extract
- Xylitol
- Lactobacillus Ferment
- Curcuma Longa (Turmeric) Root Extract
- Hydrolyzed Hyaluronic Acid
- Hyaluronic Acid
- Sodium Hyaluronate
- Anhydroxylitol
- Glucose
- Fructooligosaccharides
- Fructose
- Ammonium Acryloyldimethyltaurate/VP Copolymer
- Ethylhexylglycerin
- Dipotassium Glycyrrhizate
- Dextrin
- Beta-Glucan
- Glyceryl Glucoside
- Tocopherol
- Dipropylene Glycol
- Dimethylsilanol Hyaluronate
- Hydrolyzed Sodium Hyaluronate
- Potassium Hyaluronate
- Hydroxypropyltrimonium Hyaluronate
- Sodium Hyaluronate Crosspolymer
- Sodium Hyaluronate Dimethylsilanol
- Sodium Acetylated Hyaluronate
- Caprylyl/Capryl Glucoside
- Hydrogenated Lecithin
- Ceramide NP
- Xanthan Gum
- Gardenia Florida Fruit Extract
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Only partly backed:
- better hydration (amount unknown)
- Tests passed:
- skin irritation
See each claim, checked (41)
Claims, checked
Non-drying moisturization with glyceryl glucoside that opens moisture pathways.
plausible, not tested[ Patent: US 8,288,353 B2 ]
plausible, not testedRefreshing and cool moisture layer texture.
plausible, not testedFor forest protection, it was produced using soy ink on FSC-certified single packaging.
plausible, not tested7-second charge, 3-day lasting moisture keep! Birch ampoule
partly backedIt's not moisture that stays for a moment. It's moisture that fills deeply for a long time.
partly backed72-hour moisture lasting, keeping moist for a long time.
partly backed72-hour moisture retention effect.
partly backed4-fold moisturizing layered effect.
partly backedContaining the refreshing moisture of Inje birch trees, it keeps skin moist all day.
partly backed10 types of hyaluronic acid charge moisture densely from surface to inner layers.
partly backed10 types of hyaluronic acid, composed of high/medium/low molecular weight, fill moisture from the skin's surface to inner layers, caring for skin that doesn't dry out.
partly backedAquaxyl, a patented moisturizing ingredient that combines xylitol and glucose derived from birch and beech, fills skin with moisture and prevents moisture loss.
partly backedSmooths rough skin texture caused by dryness.
partly backedImproves rough texture caused by dryness.
partly backedImproves skin transparency on the entire face (7 POINT).
partly backedThe refreshing watery texture is absorbed quickly and densely, and even with multiple layers, it delivers a fresh and moist finish without weight or stickiness.
partly backedSensitive skin irritation test.
partly backedThe average skin response was 0.00, and it was determined to be non-irritating per the assessment criteria.
partly backedGerman Dermatest.
partly backedNo relevant skin reactions were detected in the test area following a single product application.
partly backedProduct effect proven by 100% satisfaction
overstated4-layer moisturizing layering from the outside to the inside.
overstatedGlyceryl glucoside, a key ingredient of resurrection plant, activates *aquaporin, the water pathway inside the skin, promoting powerful moisture supply.
overstatedPowerful moisturizing effect from a patented moisture ingredient.
overstatedIt seems dry skin has become moist.
no supporting source foundIt seems skin becomes moist from the inside and is filled with moisture.
no supporting source foundIt seems to be absorbed quickly as soon as applied to the skin.
no supporting source foundIt seems the rough skin texture due to dryness has become smooth.
no supporting source foundIt seems skin has become clear and transparent.
no supporting source foundThe secret to absorbency: FLEX-SOME™
no supporting source foundBy applying particle-softening technology that makes formulation particles soft and flexible, it helps them be absorbed into the skin more densely.
no supporting source foundInje birch tree sap, which grew holding the refreshing energy of cool breezes, is rich in amino acids and minerals, and provides moisture to dry skin to maintain moist skin.
no supporting source foundClear and translucent as if you've just washed your face.
no supporting source found#MoistureSoothing #RefreshingMoistAmpoule
nothing specific to checkWhen skin concerns increase due to lack of moisture, it's time for a Birch ampoule!
nothing specific to checkThe key to moisture charging is absorbency. Introducing the absorption secret of Birch ampoule.
nothing specific to check'Resurrection plant' with tenacious vitality that thrives even in arid deserts.
nothing specific to checkFeel your skin transformed by moisture!
nothing specific to checkBecause it's a cosmetic that comes into direct contact with the skin.
nothing specific to checkRound Lab creates cosmetics that sensitive skin can use with peace of mind.
nothing specific to check
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.
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