ISDIN Fotoultra 100 Solar Allergy Protect SPF 50+
95/100 overall score
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About this sunscreen
ISDIN Fotoultra 100 Solar Allergy Protect SPF 50+ is a mineral and modern hybrid sunscreen with a broad filter mix, including Diethylamino Hydroxybenzoyl Hexyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Triazone and Titanium Dioxide. It wears lightweight with a matte finish, keeps white cast low, sits well under makeup, and has low pore-clogging potential. With excellent rated protection and a top-tier 94.6/100 score, it is one of the strongest picks in this group, aimed at sun-sensitive skin.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
96
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #5, UV filter (UVA1 +20.9)
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #7, UV filter (UVA1 +15.2)
- +6.4 Ethylhexyl Salicylate at #9, UV filter
- +17.6 Ethylhexyl Triazone at #10, UV filter
- +19.8 Titanium Dioxide at #14, UV filter (UVA1 +3)
- β18.7 UVB coverage saturated
- β10.8 UVA2 coverage saturated
- +2 Label claims (SPF 50)
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White cast
Low
97
- +100 Starting score
- β3 Titanium Dioxide at #14 (nano)
π₯
Eye sting
Low
97
- +100 Starting score
- β3 Octisalate at #9, migrates into eyes with sweat
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Heavy feel
Low
98
- +100 Starting score
- β2 Titanium Dioxide at #14
- +0.3 Volatile hydrocarbon at #6, flashes off
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Fungal acne
Medium
50
- +100 Starting score
- β50 6 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-6 Polyhydroxystearate, Polyglyceryl-6 Polyricinoleate, Polyglyceryl-2 Dipolyhydroxystearate)
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Fabric stains
Low
83
- +100 Starting score
- β15 Uvinul A Plus (DHHB) at #5, oil-soluble UVA filter, fabric stains
- β2 Titanium Dioxide at #14, white marks, worst on dark fabric (washable)
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Moisture
Balanced
LightNourishing
- β 8 1 sebum-absorbing powders (Silica)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 4 Glycerin at #12, the anchor humectant
- β 1 1 strong humectants (Ectoin)
- β 1 Light emollient/solvent (Caprylic/Capric Triglyceride)
β¨
Finish
Matte
MatteDewy
- β 10 1 sebum-absorbing powders (Silica)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 4 2 dry-touch emollients reduce greasy shine (Dibutyl Adipate, Diisopropyl Sebacate)
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Makeup base
Good
PillsPrimer
- β 3 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 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¨ Niacinamide
Full 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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Emollient, softens and smooths skin
- matte β 3 dry-touch emollient, anti-shine
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2 Water
Solvent base, the water phase
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3 Silica
Mattifying powder, absorbs oil and blurs the finish
- light β 8 sebum-absorbing powder
- matte β 10 sebum-absorbing powder
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Humectant, pulls water into the skin
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Modern UV filter, broad-spectrum and photostable (Uvinul A Plus)
- β 34.2 UV protection, incl. long-UVA (UVA1)
- β 15 oil-soluble UVA filter, fabric stains
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Volatile hydrocarbon, flashes off for a light finish
- light β 4 volatile carrier, flashes off
- matte β 4 volatile carrier, flashes off
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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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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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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 T 150), low in the list, likely a minor contributor
- β 17.6 UV protection
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Emollient, softens and smooths skin
- 1 β nourishing light emollient
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12 Glycerin
Humectant, pulls water into the skin
- 4 β nourishing the anchor humectant
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13 Niacinamide
Soothing, skin-conditioning active
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Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
- β 19.8 UV protection, incl. long-UVA (UVA1)
- β 2 white marks, worst on dark fabric (washable)
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15 Dimethicone
Emollient, softens and smooths skin
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Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Humectant, pulls water into the skin
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Thickener and texture, structures the gel or cream
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Antioxidant, protects the formula and skin
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Humectant, pulls water into the skin
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Thickener and texture, structures the gel or cream
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24 Ectoin
Soothing, skin-conditioning active
- 1 β nourishing humectant
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Antioxidant, protects the formula and skin
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Humectant, pulls water into the skin
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Supporting ingredient
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Filter booster, photostabilizes the UV filters or lifts their SPF
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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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Chelator, binds stray metal ions to keep the formula stable
Is ISDIN Fotoultra Solar Allergy Protect mineral or chemical?
It is a mineral and modern hybrid, blending Titanium Dioxide with modern chemical filters like Ethylhexyl Triazone and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine.
Does the ISDIN Fotoultra 100 Solar Allergy Protect SPF 50+ leave a white cast?
White cast is rated low. The formula wears lightweight with a matte finish and sits well under makeup.
Is it good?
It scores a top-tier 94.6/100 with excellent rated protection, making it one of the strongest picks in its group and aimed at sun-sensitive skin.