ISDIN Fotoprotector Isdin Fusion Fluid Spf 50+
78/100 overall score
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Ingredient & SPF scores
βοΈ
UV protection
Excellent
89
- +15.2 Octocrylene at #4, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #6, UV filter (UVA1 +15.2)
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #9, UV filter (UVA1 +12.8)
- +26.4 Titanium Dioxide at #12, UV filter (UVA1 +4)
- β6.6 UVB coverage saturated
- β14.9 UVA2 coverage saturated
- +2 Label claims (SPF 50)
β’οΈ
Health safety
High
67
- +100 Starting score
- β30 Octocrylene at #4 (regulatory/evidence concern)
- β3.5 Avobenzone at #6, stacked (regulatory/evidence concern)
π€§
Allergens
Low
67
- +100 Starting score
- β18 Fragrance
- β12 Opaque "Fragrance", hidden allergens that can't be checked from the label
- β3 Photoallergen-tail UV filters (Octocrylene)
π₯
Eye sting
Medium
51
- +100 Starting score
- β16 Avobenzone at #6, migrates into eyes with sweat
- β15 Octocrylene at #4, migrates into eyes with sweat
- β10 Volatile alcohol at #5
- β8 Fragrance
πͺ¨
Heavy feel
Low
97
- +100 Starting score
- β6 Titanium Dioxide at #12
- +2.4 Volatile alcohol at #5, evaporating texture
- +0.9 Volatile silicone at #3, flashes off
π
Fungal acne
Low
77
- +100 Starting score
- β23 2 long-chain (C12+) esters that feed Malassezia (PEG-30 Dipolyhydroxystearate, Glyceryl Stearate)
π
Fabric stains
High
25
- +100 Starting score
- β45 Avobenzone at #6, reacts with iron in wash water into rust-yellow stains
- β15 Octocrylene at #4, co-stains alongside avobenzone
- β10 Avobenzone + Octocrylene, the classic staining pair
- β5 Titanium Dioxide at #12, white marks, worst on dark fabric (washable)
π§
Moisture
Light
LightNourishing
- β 13 Volatile alcohol at #5
- β 4.5 2 sebum-absorbing powders (Silica, Nylon-12)
- β 12 Volatile carriers flash off, leaving a dry finish
- β 2 Sodium Hyaluronate at #17, hyaluronic family
β¨
Finish
Matte
MatteDewy
- β 4 2 sebum-absorbing powders (Nylon-12, Silica)
- β 11 Volatile carriers flash off, leaving a dry finish
- β 3 Volatile alcohol at #5
- β 3 1 dry-touch emollients reduce greasy shine (Dibutyl Adipate)
π
Makeup base
Excellent
PillsPrimer
- β 8 Primer-style base, volatile silicones and dimethicone slip
- β 6 Quick-setting carrier (alcohol at #5), fast, even canvas
- β 3 1 soft-focus powders in moderation
- β 3 Dry-touch esters, smooth fast-absorbing base
π
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¨ Allantoin
- β¨ Vitamin C
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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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 silicone, flashes off for a light finish
- light β 8 volatile carrier, flashes off
- matte β 7 volatile carrier, flashes off
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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
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Volatile alcohol, a drying solvent that can sting eyes
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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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Volatile silicone, flashes off for a light finish
- light β 5 volatile carrier, flashes off
- matte β 4 volatile carrier, flashes off
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Humectant, pulls water into the skin
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Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- β 38.4 UV protection, incl. long-UVA (UVA1)
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Emulsifier, keeps oil and water blended
- β 14 feeds malassezia
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11 Nylon-12
Mattifying powder, absorbs oil and blurs the finish
- light β 3 sebum-absorbing powder
- matte β 3 sebum-absorbing powder
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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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Emulsifier, keeps oil and water blended
-
Thickener and texture, structures the gel or cream
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15 Allantoin
Soothing, skin-conditioning active
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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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18 Tocopherol
Antioxidant, protects the formula and skin
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19 Dimethicone
Emollient, softens and smooths skin
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20 Dimethiconol
Emollient, softens and smooths skin
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Chelator, binds stray metal ions to keep the formula stable
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Thickener and texture, structures the gel or cream
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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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25 PEG-8
Emulsifier, keeps oil and water blended
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26 Silica
Mattifying powder, absorbs oil and blurs the finish
- light β 1.5 sebum-absorbing powder
- matte β 1 sebum-absorbing powder
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27 Fragrance
Fragrance
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Preservative, keeps the formula from spoiling