Cu skin Vitamin U Aqua Sun Gel SPF 50+ Pa+++
75/100 overall score
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About this sunscreen
Cu skin Vitamin U Aqua Sun Gel SPF 50+ PA+++ is a hybrid sunscreen pairing modern filters like Tinosorb S and ethylhexyl triazone with titanium dioxide and older filters. The gel has a balanced finish, stays lightweight, keeps white cast low and carries a low sting risk. Breakout risk is generally low and it performs well as a makeup base. With a score of 74.6/100 and good protection, it is a comfortable everyday gel sunscreen for most skin types.
Ingredient & SPF scores
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UV protection
Good
77
- +18 Ethylhexyl Methoxycinnamate at #2, UV filter
- +12 Homosalate at #3, UV filter
- +7.6 Ethylhexyl Salicylate at #4, UV filter
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #6, UV filter (UVA1 +15.2)
- +26.4 Titanium Dioxide at #9, UV filter (UVA1 +4)
- +17.6 Ethylhexyl Triazone at #11, UV filter
- β53.1 UVB coverage saturated
- +3 Label claims (SPF 50, PA rating)
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Health safety
Medium
47
- +100 Starting score
- β40 Homosalate at #3 (regulatory/evidence concern)
- β12.6 Octinoxate at #2, stacked (regulatory/evidence concern)
- +0 2 endocrine-scrutinized filters together
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Allergens
Low
70
- +100 Starting score
- β18 Fragrance
- β12 Opaque "Fragrance", hidden allergens that can't be checked from the label
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White cast
Low
86
- +100 Starting score
- β15 Titanium Dioxide at #9
- +1 Coated minerals (Aluminum Hydroxide)
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Eye sting
Low
61
- +100 Starting score
- β16 Octinoxate at #2, migrates into eyes with sweat
- β9 Homosalate at #3, migrates into eyes with sweat
- β6 Octisalate at #4, migrates into eyes with sweat
- β8 Fragrance
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Fungal acne
Medium
62
- +100 Starting score
- β36 3 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 80, Sorbitan Oleate, Sorbitan Isostearate)
- β2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
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Fabric stains
Low
95
- +100 Starting score
- β5 Titanium Dioxide at #9, white marks, worst on dark fabric (washable)
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Moisture
Balanced
LightNourishing
- β 2 Volatile carriers flash off, leaving a dry finish
- β 4 Sodium Hyaluronate at #12, hyaluronic family
- β 2 Humectant polyols
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Finish
Balanced
MatteDewy
- β 2 Volatile carriers flash off, leaving a dry finish
- β 2 2 dry-touch emollients reduce greasy shine (Caprylyl Methicone, Isononyl Isononanoate)
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Makeup base
Good
PillsPrimer
- β 8 1 velvet elastomer fillers, blur and grip
- β 2 Dry-touch esters, smooth fast-absorbing base
- β 1 Gel polymers prone to pilling under friction (Ammonium Acryloyldimethyltaurate/VP Copolymer, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer)
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Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance βFull ingredient list (34)
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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1 Water
Solvent base, the water phase
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Legacy UV filter (Octinoxate), high in the list, a primary filter
- β 18 UV protection
- β 12.6 stacked (regulatory/evidence concern)
- β 16 migrates into eyes with sweat
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Legacy UV filter (Homosalate), high in the list, a primary filter
- β 12 UV protection
- β 9 migrates into eyes with sweat
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Legacy UV filter (Octisalate)
- β 7.6 UV protection
- β 6 migrates into eyes with sweat
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Modern UV filter, broad-spectrum and photostable (Tinosorb S)
- β 45.6 UV protection, incl. long-UVA (UVA1)
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
- β 26.4 UV protection, incl. long-UVA (UVA1)
- β 5 white marks, worst on dark fabric (washable)
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- β 17.6 UV protection
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Humectant, pulls water into the skin
- 4 β nourishing hyaluronic family
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Thickener and texture, structures the gel or cream
-
Supporting ingredient
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Volatile silicone, flashes off for a light finish
- light β 1 volatile carrier, flashes off
- matte β 1 volatile carrier, flashes off
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Thickener and texture, structures the gel or cream
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Thickener and texture, structures the gel or cream
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Emollient, softens and smooths skin
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Antioxidant, protects the formula and skin
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20 Allantoin
Soothing, skin-conditioning active
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Botanical extract
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25 Xanthan Gum
Thickener and texture, structures the gel or cream
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Soothing, skin-conditioning active
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Thickener and texture, structures the gel or cream
-
Supporting ingredient
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29 Stearic Acid
Emollient, softens and smooths skin
- β 2 minor malassezia feeder
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Volatile hydrocarbon, flashes off for a light finish
- light β 1 volatile carrier, flashes off
- matte β 1 volatile carrier, flashes off
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31 BHT
Antioxidant, protects the formula and skin
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Preservative, keeps the formula from spoiling
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Protein, peptide or amino acid, conditions and hydrates skin
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34 Fragrance
Fragrance
Is Cu skin Vitamin U Aqua Sun Gel good under makeup?
Yes, it is rated good as a makeup base. The gel is lightweight with a balanced finish and low white cast, so it layers well.
Is the Cu skin Vitamin U Aqua Sun Gel SPF 50+ Pa+++ mineral or chemical?
It is a hybrid sunscreen, combining modern and older chemical filters with titanium dioxide for added mineral protection.
Is it a good sunscreen?
It scores 74.6/100 with good measured protection at SPF 50+, so it is a solid, comfortable everyday choice for most skin types.