Round Lab Birch Juice Moisturizing Sun Serum
Ingredients and claims, checked
Last checked September 11, 2026
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What is it like at a glance?
What the ingredients do
Hydration leads, with 9 of 63 ingredients. It also contains Ethylhexyl Triazone.
Worth knowing
- Contains essential oil
- Has a fungal-acne trigger
- On pore-clogging lists
Made for
What is this product?
- Key ingredients
- Betula Platyphylla Japonica Juice 9.3%, Ethylhexyl Triazone, Terephthalylidene Dicamphor Sulfonic Acid
- When
- Morning
A watery sunscreen made with birch sap. It spreads easily. It's SPF50+, PA++++ and comes in a 50 ml size.
Who is it for?
Less suited to
- People avoiding fragrance
- People avoiding essential oils
What's good, and what to watch for?
Good points
- Contains Betula Platyphylla Japonica Juice 9.3%
Watch-outs
- Contains essential oil (Anthemis Nobilis Flower Oil, Pinus Sylvestris Leaf Oil)
- If you clog easily: Behenyl Alcohol, Cetearyl Alcohol
- If you get fungal acne: Polyglyceryl-6 Stearate, Polyglyceryl-6 Behenate
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
- Betula Platyphylla Japonica Juice
- Glycerin
- Dibutyl Adipate
- Butylene Glycol
- Ethylhexyl Triazone
- Terephthalylidene Dicamphor Sulfonic Acid
- Niacinamide
- Silica
- Dimethicone
- Tromethamine
- Polyglyceryl-6 Stearate
- Sodium Hyaluronate
- Artemisia Annua Extract
- Anthemis Nobilis Flower Oil
- Pinus Sylvestris Leaf Oil
- Aloe Barbadensis Leaf Extract
- Dioscorea Japonica Root Extract
- Laminaria Japonica Extract
- Ulmus Davidiana Root Extract
- Viola Mandshurica Flower Extract
- Water
- Hydrolyzed Hyaluronic Acid
- Hyaluronic Acid
- Diethylamino Hydroxybenzoyl Hexyl Benzoate
- Methyl Trimethicone
- Polysilicone-15
- Pentylene Glycol
- Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
- Hydroxyethyl Urea
- 1,2-Hexanediol
- Poly C10-30 Alkyl Acrylate
- Dimethicone/Vinyl Dimethicone Crosspolymer
- Hydroxyacetophenone
- Sodium Polyacryloyldimethyl Taurate
- Polyglyceryl-6 Behenate
- Glyceryl Stearate
- Hydroxypropyl Methylcellulose Stearoxy Ether
- Sodium Stearoyl Glutamate
- Methylpropanediol
- Polyether-1
- Glyceryl Glucoside
- Dehydroxanthan Gum
- Polyacrylate Crosspolymer-6
- Adenosine
- Arginine
- Caprylic Acid
- Dipropylene Glycol
- Cetearyl Olivate
- Sorbitan Olivate
- Hydrogenated Lecithin
- Betulin
- Hydroxypropyltrimonium Hyaluronate
- Sodium Acetylated Hyaluronate
- Sodium DNA
- Glycine
- Glutamic Acid
- Hydrolyzed Sodium Hyaluronate
- Sodium Hyaluronate Crosspolymer
- Potassium Hyaluronate
- Behenyl Alcohol
- Carbomer
- Cetearyl Alcohol
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
Claims
See the claim, checked
Claims, checked
Ultra-light
plausible, not tested
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.