++++
[ DemythSkin Verdict ]

COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++
SunscreenSun Protection
Efficacy
Exceptional
4.6 / 5.0
Safety
Safe
4.3 / 5.0
System Verdict
This is a technically strong, truly invisible chemical sunscreen with excellent filters, but witch hazel and a basic hydration profile keep it from being a top-tier skin-treatment product. The efficacy score is driven by a well-constructed, modern UV filter system (Uvinul A Plus, Uvinul T, Mexoryl XL, Mexoryl SX) at meaningful concentrations for reliable SPF 50 PA++++ protection and supported by niacinamide plus antioxidants, but treatment actives are moderate in level and the soothing/hydrating base is functional rather than luxurious; safety is slightly dented by witch hazel, though overall the formula is well-tolerated for most skin.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Drometrizole TrisiloxaneEthylhexyl TriazoneDiethylamino Hydroxybenzoyl Hexyl BenzoateTerephthalylidene Dicamphor Sulfonic Acid
A Tier: Good BasicsProven Results
Aloe Barbadensis Leaf WaterAqua/WaterNiacinamideAdenosineTocopherolSodium HyaluronateAllantoin
B Tier: Supporting IngredientsPromising Ingredients
Diethylhexyl SuccinatePropanediol1,2-HexanediolBehenyl AlcoholMethyl TrimethiconeSodium Polyacryloyldimethyl TaurateHamamelis Virginiana (Witch Hazel) Leaf WaterTromethaminePolyacrylate Crosspolymer-6Arachidyl AlcoholCaprylyl GlycolArachidyl GlucosideSodium MetaphosphateCitric AcidSodium BenzoatePotassium Sorbate
D Tier: Potential IrritantsBe Cautious
Ethylhexylglycerin
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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.