COSRX Ultra Light Invisible Sunscreen SPF 50 PA++++
95/100 overall score
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About this sunscreen
COSRX Ultra Light Invisible Sunscreen SPF 50 PA++++ is a chemical sunscreen using a modern filter set including Mexoryl filters and a triazone for excellent protection. The balanced finish is lightweight, does not sting, and leaves little to no white cast, sitting comfortably under makeup. Pore-clogging risk is generally low. Its very high score reflects top-tier protection paired with an invisible, easy-wear feel.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
98
- +38 Drometrizole Trisiloxane at #5, UV filter (UVA1 +13.3)
- +20.9 Ethylhexyl Triazone at #6, UV filter
- +28.8 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #8, UV filter (UVA1 +17.6)
- +22.4 Terephthalylidene Dicamphor Sulfonic Acid at #9, UV filter (UVA1 +8)
- β0.3 UVB coverage saturated
- β15.9 UVA2 coverage saturated
- +4 Label claims (SPF 50, PA rating)
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Fabric stains
Low
75
- +100 Starting score
- β15 Uvinul A Plus (DHHB) at #8, oil-soluble UVA filter, fabric stains
- β10 Mexoryl XL at #5, oil-soluble UVA filter, fabric stains
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Moisture
Balanced
LightNourishing
- β 2 Sodium Hyaluronate at #24, hyaluronic family
- β 2 Humectant polyols
- β 0.5 1 fatty-alcohol emollients (Behenyl Alcohol)
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Makeup base
Okay
PillsPrimer
- β 2 Primer-style base, volatile silicones and dimethicone slip
- β 1 Gel polymers prone to pilling under friction (Polyacrylate Crosspolymer-6, Sodium Polyacryloyldimethyl Taurate)
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Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance βSkincare extras
Beneficial actives this formula contains. Informational only, not part of the rating: their effect depends on a concentration the label does not disclose.
- β¨ Aloe vera
- β¨ Niacinamide
Full ingredient list (28)
What each ingredient does and how it moves each rating: green helps, red hurts, β / β give the direction, and β / β shift a slider toward its ends (finish, moisture, makeup base). Auto-derived from our scoring rules and the ingredient's position.
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Soothing, skin-conditioning active
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Emollient, softens and smooths skin
-
Humectant, pulls water into the skin
- 2 β nourishing humectant polyol
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4 Water
Solvent base, the water phase
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Modern UV filter, broad-spectrum and photostable (Mexoryl XL)
- β 38 UV protection, incl. long-UVA (UVA1)
- β 10 oil-soluble UVA filter, fabric stains
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Modern UV filter, broad-spectrum and photostable (Uvinul T 150)
- β 20.9 UV protection
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Soothing, skin-conditioning active
-
Modern UV filter, broad-spectrum and photostable (Uvinul A Plus), low in the list, likely a minor contributor
- β 28.8 UV protection, incl. long-UVA (UVA1)
- β 15 oil-soluble UVA filter, fabric stains
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Modern UV filter, broad-spectrum and photostable (Mexoryl SX), low in the list, likely a minor contributor
- β 22.4 UV protection, incl. long-UVA (UVA1)
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Humectant, pulls water into the skin
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Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 β nourishing fatty-alcohol emollient
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Emollient, softens and smooths skin
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Thickener and texture, structures the gel or cream
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Botanical extract
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15 Tromethamine
pH adjuster
-
Thickener and texture, structures the gel or cream
-
Fatty alcohol, an emollient and thickener, not the drying kind
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Preservative, keeps the formula from spoiling
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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
-
pH adjuster
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22 Adenosine
Soothing, skin-conditioning active
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23 Tocopherol
Antioxidant, protects the formula and skin
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
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25 Allantoin
Soothing, skin-conditioning active
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26 Citric Acid
pH adjuster
-
Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
Is COSRX Ultra Light Invisible Sunscreen SPF 50 good?
Yes, it scores very highly. It delivers excellent protection with an invisible, lightweight feel, making it one of the stronger everyday options.
Does the COSRX Ultra Light Invisible Sunscreen SPF 50 PA++++ leave a white cast?
No, white cast is low. The modern chemical filters absorb cleanly, leaving an invisible finish that sits well under makeup.
Is it good for acne-prone skin?
Pore-clogging risk is generally low and it does not sting, which is favorable for acne-prone skin. The balanced, lightweight finish suits most skin types.