ISDIN Hydro Lotion SPF 50
81/100 overall score
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About this sunscreen
ISDIN Hydro Lotion SPF 50 is a hybrid sunscreen drawing on a broad filter set including ethylhexyl triazone, diethylamino hydroxybenzoyl hexyl benzoate and avobenzone for excellent protection. It wears balanced and lightweight with a low white cast and is a good makeup base. The breakout trigger reads low, generally suitable across skin types. With a score of 81.3/100, it is a dependable high-protection lotion for daily use.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
99
- +15.2 Octocrylene at #5, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #7, UV filter (UVA1 +15.2)
- +6.4 Ethylhexyl Salicylate at #8, UV filter
- +28.8 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #9, UV filter (UVA1 +17.6)
- +17.6 Ethylhexyl Triazone at #10, UV filter
- +11.2 Phenylbenzimidazole Sulfonic Acid at #11, UV filter
- +28.8 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #15, UV filter (UVA1 +9.6)
- β25.4 UVB coverage saturated
- β13.7 UVA2 coverage saturated
- +2 Label claims (SPF 50)
β’οΈ
Health safety
High
67
- +100 Starting score
- β30 Octocrylene at #5 (regulatory/evidence concern)
- β3.5 Avobenzone at #7, stacked (regulatory/evidence concern)
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Allergens
Low
67
- +100 Starting score
- β18 Fragrance
- β2 2 declared fragrance allergens
- β10 Opaque "Fragrance", hidden allergens that can't be checked from the label
- β3 Photoallergen-tail UV filters (Octocrylene)
π₯
Eye sting
Medium
54
- +100 Starting score
- β16 Avobenzone at #7, migrates into eyes with sweat
- β15 Octocrylene at #5, migrates into eyes with sweat
- β3 Octisalate at #8, migrates into eyes with sweat
- β2 Ensulizole at #11, migrates into eyes with sweat
- β8 Fragrance
- β2 1 declared fragrance allergens
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Fabric stains
High
15
- +100 Starting score
- β45 Avobenzone at #7, reacts with iron in wash water into rust-yellow stains
- β15 Octocrylene at #5, co-stains alongside avobenzone
- β15 Uvinul A Plus (DHHB) at #9, oil-soluble UVA filter, fabric stains
- β10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Balanced
LightNourishing
- β 1 Glycerin at #13, the anchor humectant
- β 1 Humectant polyols
β¨
Finish
Balanced
MatteDewy
- β 6 3 dry-touch emollients reduce greasy shine (Coco-Caprylate/Caprate, Dicaprylyl Carbonate, Dicaprylyl Ether)
π
Makeup base
Good
PillsPrimer
- β 6 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 (27)
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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Emollient, softens and smooths skin
- matte β 3 dry-touch emollient, anti-shine
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Emollient, softens and smooths skin
- matte β 2 dry-touch emollient, anti-shine
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Legacy UV filter (Octocrylene)
- β 15.2 UV protection
- β 15 migrates into eyes with sweat
- β 15 co-stains alongside avobenzone
-
Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Legacy UV filter (Avobenzone)
- β 28.5 UV protection, incl. long-UVA (UVA1)
- β 3.5 stacked (regulatory/evidence concern)
- β 16 migrates into eyes with sweat
- β 45 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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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 (Uvinul T 150), low in the list, likely a minor contributor
- β 17.6 UV protection
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Legacy UV filter (Ensulizole), low in the list, likely a minor contributor
- β 11.2 UV protection
- β 2 migrates into eyes with sweat
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Humectant, pulls water into the skin
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13 Glycerin
Humectant, pulls water into the skin
- 1 β nourishing the anchor humectant
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14 Tromethamine
pH adjuster
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- β 28.8 UV protection, incl. long-UVA (UVA1)
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Thickener and texture, structures the gel or cream
-
Preservative, keeps the formula from spoiling
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18 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
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Botanical extract
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23 Tocopherol
Antioxidant, protects the formula and skin
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Preservative, keeps the formula from spoiling
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25 Linalool
Fragrance component, a declared allergen
-
Fragrance component, a declared allergen
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27 Ci 42090
Colorant or pigment
Does ISDIN Hydro Lotion SPF 50 leave a white cast?
No, its white cast is low. As a hybrid lotion it generally absorbs cleanly with a balanced finish, suiting a wide range of skin tones.
Is the ISDIN Hydro Lotion SPF 50 good under makeup?
Yes, it rates as a good makeup base and wears lightweight, so it generally layers well under foundation. The breakout trigger is low, which is friendlier for blemish-prone skin.
Is this sunscreen any good?
It scores 81.3/100 with excellent protection. The broad modern filter set and lightweight feel make it a dependable high-SPF daily lotion.