++++
[ DemythSkin Verdict ]
Beauty of Joseon Day Dew Sunscreen Lightweight SPF 50
SunscreenSun Protection
Efficacy
Strong
4.2 / 5.0
Safety
Safe
4.6 / 5.0
System Verdict
This is a very solid, cosmetically elegant chemical sunscreen that nails protection and comfort but leans more like a hydrating moisturizer with SPF than a treatment-packed sunscreen. The efficacy score is high because it uses a full quartet of FDA filters at meaningful percentages (SPF 50, broad spectrum, 80‑minute water resistance) plus film formers and emollient/SPF boosters, with supportive humectants and light barrier support; however, niacinamide, hyaluronic acid, panthenol, and rice extract are present at reasonable but not treatment‑level intensities and there are no S Tier anti-aging actives, so its core strength is reliable daily UV protection and pleasant wear rather than intensive brightening or anti-aging performance.
Active Ingredients Detected
A Tier: Good BasicsProven Results
AvobenzoneHomosalateOctisalate (Ethylhexyl Salicylate)Water (Aqua)GlycerinDimethiconeNiacinamideTocopheryl AcetatePanthenolSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
OctocryleneButyloctyl SalicylatePoly C10-30 Alkyl AcrylateVP/Eicosene CopolymerCetearyl AlcoholSodium Stearoyl GlutamateAmmonium Polyacryloyldimethyl TaurateHydroxyacetophenonePhenoxyethanolPentaerythrityl Tetra-di-t-butyl HydroxyhydrocinnamateXanthan GumPropanediol1,2-Hexanediol
C Tier: Marketing IdolsHype | Limited or Weak Data
Oryza Sativa (Rice) Extract
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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.