ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ — Efficacy 4.0/5.0, Safety 4.2/5.0 | DemythSkin
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[ DemythSkin Verdict ]
ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++
ROUND LAB

ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++

SunscreenSun Protection
Efficacy
Strong
4.0 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
This is a cosmetically elegant, well-built daily chemical sunscreen with solid hydration and brightening support, but the essential oil fragrance and lack of next-generation filters keep it firmly in "good", not "elite", territory. Efficacy is driven by a credible UV filter system (avobenzone plus homosalate and octisalate) combined with film-formers and photostabilizers for better real-world protection, alongside humectants, birch juice, and niacinamide for hydration and tone support; however, the formula relies on older filters instead of broader-spectrum modern ones and the treatment actives are present as supportive extras rather than high-impact anti-aging or pigment-correcting agents.
Active Ingredients Detected
A Tier: Good BasicsProven Results
TocopherolNiacinamideAvobenzoneHomosalateOctisalateGlycerinSodium HyaluronateHyaluronic AcidAllantoin
B Tier: Supporting IngredientsPromising Ingredients
Butyloctyl SalicylatePoly C10-30 Alkyl AcrylateGlyceryl GlucosideGlyceryl PolymethacrylateTriethoxycaprylylsilaneBiosaccharide Gum-1Benzotriazolyl Dodecyl p-CresolDiethylhexyl 2,6-NaphthalatePolymethylsilsesquioxane
C Tier: Marketing IdolsHype | Limited or Weak Data
Sparassis Crispa ExtractBetula Platyphylla Japonica JuiceArtemisia Annua ExtractPortulaca Oleracea Extract
D Tier: Potential IrritantsBe Cautious
Anthemis Nobilis Flower OilPinus Sylvestris Leaf Oil
What Each Ingredient Does
Water
solvent / vehicle
Acrylates Copolymer
film-former / texture agent
Caprylyl Methicone
silicone emollient / slip
Sparassis Crispa Extract
botanical extract / soothing
Tocopherol
antioxidant (vitamin E)
Niacinamide
brightening / barrier-support
Polyglyceryl-3 Distearate
emulsifier
Avobenzone
UVA organic UV filter
Homosalate
UVB organic UV filter
Calcium Aluminum Borosilicate
texture / opacifier
1,2-Hexanediol
solvent / humectant
Octisalate
UVB organic UV filter
Butyloctyl Salicylate
emollient / solvent for filters
Poly C10-30 Alkyl Acrylate
film-former / viscosity control
Cetearyl Alcohol
fatty alcohol emollient
Tromethamine
pH adjuster / neutralizer
Glyceryl Stearate Citrate
emulsifier
Betula Platyphylla Japonica Juice
birch sap humectant
Artemisia Annua Extract
botanical extract / soothing
Anthemis Nobilis Flower Oil
chamomile essential oil fragrance
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
gel-former / thickener
Glycerin
primary humectant
Butylene Glycol
humectant / solvent
Sodium Hyaluronate
humectant (HA salt)
Full Ingredient List (INCI)

WATER, ACRYLATES COPOLYMER, CAPRYLYL METHICONE, SPARASSIS CRISPA EXTRACT, TOCOPHEROL (VITAMIN E), NIACINAMIDE,POLYGLYCERYL-3 DISTEARATEAVOBENZONE, HOMOSALATE, CALCIUM ALUMINUM BOROSILICATE, 1,2-HEXANEDIOL, OCTISALATE, BUTYLOCTYL SALICYLATE, POLY C10-30 ALKYL ACRYLATE, CETEARYL ALCOHOL, TROMETHAMINE, GLYCERYL STEARATE CITRATE, BETULA PLATYPHYLLA JAPONICA JUICE, ARTEMISIA ANNUA EXTRACT, ANTHEMIS NOBILIS FLOWER OIL, ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER, GLYCERIN, BUTYLENE GLYCOL, SODIUM HYALURONATE, CARBOMER, ETHYLHEXYLGLYCERIN, HYALURONIC ACID, GLYCERYL GLUCOSIDE, PROPANEDIOL, PINUS SYLVESTRIS LEAF OIL, ALLANTOIN, PORTULACA OLERACEA EXTRACT, SODIUM STEAROYL GLUTAMATE, GLYCERYL POLYMETHACRYLATE, TRIETHOXYCAPRYLYLSILANE, PENTYLENE GLYCOL, METHYLPROPANEDIOL, BIOSACCHARIDE GUM-1, BENZOTRIAZOLYL DODECYL P-CRESOL, DIETHYLHEXYL 2,6-NAPHTHALATE, POLYMETHYLSILSESQUIOXANE About Birch Trees Queen of the Forest Birch Trees are refreshingly tall, snow white, and has been nicknamed

Frequently Asked

Is ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ worth it?

ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ scores 4.0 out of 5.0 for efficacy (Strong) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. This is a cosmetically elegant, well-built daily chemical sunscreen with solid hydration and brightening support, but the essential oil fragrance and lack of next-generation filters keep it firmly in "good", not "elite",

What are the key active ingredients in ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++?

ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ contain fragrance or known irritants?

DemythSkin flags these ingredients in ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ as potential irritants: Anthemis Nobilis Flower Oil, Pinus Sylvestris Leaf Oil.

How is ROUND LAB Birch Juice Moisturizing Sunscreen SPF 50+ PA++++ scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-08-21. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.