ISDIN Fotoprotector Hydolotion Fps50+
60/100 overall score
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About this sunscreen
ISDIN Fotoprotector Hydrolotion is a chemical sunscreen marketed around SPF 50, built on older-generation filters such as octocrylene, avobenzone and 4-methylbenzylidene camphor. The lotion feels lightweight and non-stinging with a matte finish, little to no white cast, and it layers well under makeup. Measured protection comes out at a moderate level. With a score of 60 out of 100, it is a comfortable everyday option that lags the newest filter blends.
Ingredient & SPF scores
βοΈ
UV protection
Moderate
54
- +15.2 Octocrylene at #5, UV filter
- +24 Butyl Methoxydibenzoylmethane at #9, UV filter (UVA1 +12.8)
- +6.4 Ethylhexyl Salicylate at #10, UV filter
- +9.6 4-Methylbenzylidene Camphor at #11, UV filter
- +8.4 Phenylbenzimidazole Sulfonic Acid at #13, UV filter
- β3.8 UVB coverage saturated
- Γ0.9 Limited long-UVA1 coverage
β’οΈ
Health safety
Low
6
- +100 Starting score
- β80 Enzacamene (4-MBC) at #11 (regulatory/evidence concern)
- β10.5 Octocrylene at #5, stacked (regulatory/evidence concern)
- β3.5 Avobenzone at #9, stacked (regulatory/evidence concern)
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Allergens
Low
63
- +100 Starting score
- β18 Fragrance
- β2 2 declared fragrance allergens
- β10 Opaque "Fragrance", hidden allergens that can't be checked from the label
- β7 Photoallergen-tail UV filters (Octocrylene, 4-Methylbenzylidene Camphor)
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Eye sting
Low
63
- +100 Starting score
- β8 Avobenzone at #9, migrates into eyes with sweat
- β15 Octocrylene at #5, migrates into eyes with sweat
- β3 Octisalate at #10, migrates into eyes with sweat
- β1 Ensulizole at #13, migrates into eyes with sweat
- β8 Fragrance
- β2 1 declared fragrance allergens
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Fabric stains
Medium
37
- +100 Starting score
- β38 Avobenzone at #9, reacts with iron in wash water into rust-yellow stains
- β15 Octocrylene at #5, co-stains alongside avobenzone
- β10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Balanced
LightNourishing
- β 7 Volatile carriers flash off, leaving a dry finish
- β 4 Glycerin at #12, the anchor humectant
- β 1 Humectant polyols
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Finish
Matte
MatteDewy
- β 7 Volatile carriers flash off, leaving a dry finish
- β 4 2 dry-touch emollients reduce greasy shine (Dibutyl Adipate, Dicaprylyl Carbonate)
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Makeup base
Good
PillsPrimer
- β 4 Quick-setting carrier, fast, even canvas
- β 4 Dry-touch esters, smooth fast-absorbing base
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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 (30)
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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Emollient, softens and smooths skin
- matte β 3 dry-touch emollient, anti-shine
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Volatile hydrocarbon, flashes off for a light finish
- light β 7 volatile carrier, flashes off
- matte β 7 volatile carrier, flashes off
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4 Undecane
Emollient, softens and smooths skin
-
Legacy UV filter (Octocrylene)
- β 15.2 UV protection
- β 10.5 stacked (regulatory/evidence concern)
- β 15 migrates into eyes with sweat
- β 15 co-stains alongside avobenzone
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Emollient, softens and smooths skin
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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Legacy UV filter (Avobenzone), low in the list, likely a minor contributor
- β 24 UV protection, incl. long-UVA (UVA1)
- β 3.5 stacked (regulatory/evidence concern)
- β 8 migrates into eyes with sweat
- β 38 reacts with iron in wash water into rust-yellow stains
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Legacy UV filter (Octisalate), low in the list, likely a minor contributor
- β 6.4 UV protection
- β 3 migrates into eyes with sweat
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Legacy UV filter (4-MBC), low in the list, likely a minor contributor
- β 9.6 UV protection
- β 80 Enzacamene (4-MBC) (regulatory/evidence concern)
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12 Glycerin
Humectant, pulls water into the skin
- 4 β nourishing the anchor humectant
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Legacy UV filter (Ensulizole), low in the list, likely a minor contributor
- β 8.4 UV protection
- β 1 migrates into eyes with sweat
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14 Tromethamine
pH adjuster
-
Thickener and texture, structures the gel or cream
-
Preservative, keeps the formula from spoiling
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17 Fragrance
Fragrance
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Preservative, keeps the formula from spoiling
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Antioxidant, protects the formula and skin
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Chelator, binds stray metal ions to keep the formula stable
-
Supporting ingredient
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Chelator, binds stray metal ions to keep the formula stable
-
Preservative, keeps the formula from spoiling
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Chelator, binds stray metal ions to keep the formula stable
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25 Tocopherol
Antioxidant, protects the formula and skin
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26 Linalool
Fragrance component, a declared allergen
-
Fragrance component, a declared allergen
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28 Ci 42090
Colorant or pigment
-
29 Green 6
Colorant or pigment
-
30 Violet 2
Colorant or pigment
Does ISDIN Fotoprotector Hydrolotion leave a white cast?
No. It is a chemical lotion with a low ghost-mode rating, so it leaves little to no white cast and finishes matte.
Is the ISDIN Fotoprotector Hydolotion Fps50+ good under makeup and for oily skin?
It tends to work well. It is lightweight and non-stinging with a matte finish and rates well as a makeup base, which suits oily skin and layering.
Is it mineral or chemical, and what SPF?
It is a chemical sunscreen marketed around SPF 50, built on filters like octocrylene, avobenzone and 4-methylbenzylidene camphor. There are no mineral filters in it.