ROUND LAB Birch Juice Moisturizing Sun Cream SPF50+ PA++++ — Efficacy 4.6/5.0, Safety 3.7/5.0 | DemythSkin
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[ DemythSkin Verdict ]
ROUND LAB Birch Juice Moisturizing Sun Cream SPF50+ PA++++

ROUND LAB Birch Juice Moisturizing Sun Cream SPF50+ PA++++

SunscreenSun Protection
Efficacy
Exceptional
4.6 / 5.0
Safety
Caution
3.7 / 5.0
System Verdict
This is a very solid moisturizing chemical sunscreen with excellent modern UV filters but slightly marred by fragrance oils and minor alcohol content. UV protection is S Tier thanks to a robust mix of Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, and Diethylhexyl Butamido Triazone in the top 10 of the INCI, providing high, photostable UVA/UVB coverage appropriate for SPF 50+ PA++++. Hydration and barrier support are A Tier with multiple humectants (glycerin, glycols, triple hyaluronic complex, glyceryl glucoside) and niacinamide in a high position, making this genuinely function as a moisturizer-sunscreen hybrid. I deduct efficacy points for actives like niacinamide and ascorbic acid likely being at moderate/low levels relative to dedicated treatment serums and for the formula still relying on fragrance oils, which do nothing for protection and slightly increase irritation risk, especially for sensitive skin.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Diethylamino Hydroxybenzoyl Hexyl BenzoateEthylhexyl TriazoneMethylene Bis-Benzotriazolyl Tetramethylbutylphenol (nano)Ascorbic Acid
A Tier: Good BasicsProven Results
Aqua (Water)NiacinamideGlycerinAllantoinTocopherolSodium HyaluronateHydrolyzed Hyaluronic AcidHyaluronic Acid
B Tier: Supporting IngredientsPromising Ingredients
Dibutyl AdipatePropanediolPolymethylsilsesquioxaneCoco-Caprylate/CaprateCaprylyl MethiconeDiethylhexyl Butamido Triazone1,2-HexanediolButylene GlycolPentylene GlycolBehenyl AlcoholPoly C10-30 Alkyl AcrylatePolyglyceryl-3 Methylglucose DistearateDecyl GlucosideTromethamineCarbomerAcrylates/C10-30 Alkyl Acrylate CrosspolymerSodium Stearoyl GlutamateGlyceryl StearateGlyceryl Stearate CitrateGlyceryl PolymethacrylateTriethoxycaprylylsilaneDipropylene GlycolGlyceryl GlucosideBiosaccharide Gum-1
C Tier: Marketing IdolsHype | Limited or Weak Data
Betula Platyphylla Japonica JuiceSparassis Crispa ExtractPortulaca Oleracea Extract
D Tier: Potential IrritantsBe Cautious
Anthemis Nobilis Flower OilPinus Sylvestris Leaf OilT-Butyl AlcoholEthylhexylglycerin
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.