ISDIN Fotoultra 100 Spot Prevent Fusion Fluid Spf 50+
77/100 overall score
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About this sunscreen
ISDIN Fotoultra 100 Spot Prevent Fusion Fluid SPF 50+ is a hybrid chemical sunscreen pairing octocrylene and avobenzone with the modern Tinosorb-type triazine and some titanium dioxide. It wears matte and lightweight with low white cast and is an excellent makeup base, with low breakout risk, though it may sting a little near the eyes. With excellent protection and a score of 77.4, it is a strong pick for oily skin and daily layering.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
90
- +15.2 Octocrylene at #4, UV filter
- +31.4 Titanium Dioxide at #6, UV filter (UVA1 +4.8)
- +28.5 Butyl Methoxydibenzoylmethane at #7, UV filter (UVA1 +15.2)
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #9, UV filter (UVA1 +12.8)
- β9 UVB coverage saturated
- β16.7 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 #7, stacked (regulatory/evidence concern)
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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)
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White cast
Low
83
- +100 Starting score
- β17.5 Titanium Dioxide at #6 (nano)
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Eye sting
Medium
51
- +100 Starting score
- β16 Avobenzone at #7, migrates into eyes with sweat
- β15 Octocrylene at #4, migrates into eyes with sweat
- β10 Volatile alcohol at #5
- β8 Fragrance
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Heavy feel
Low
93
- +100 Starting score
- β16 Titanium Dioxide at #6
- +6.4 Volatile alcohol at #5, evaporating texture
- +2.4 Volatile silicone at #3, flashes off
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Fungal acne
Low
77
- +100 Starting score
- β23 2 long-chain (C12+) esters that feed Malassezia (PEG-30 Dipolyhydroxystearate, Glyceryl Stearate)
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Fabric stains
High
20
- +100 Starting score
- β45 Avobenzone at #7, 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
- β10 Titanium Dioxide at #6, white marks, worst on dark fabric (washable)
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Moisture
Light
LightNourishing
- β 13 Volatile alcohol at #5
- β 4.5 2 sebum-absorbing powders (Silica, Nylon-12)
- β 10 Volatile carriers flash off, leaving a dry finish
- β 2 Sodium Hyaluronate at #26, hyaluronic family
- β 1 1 strong humectants (Panthenol)
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Finish
Matte
MatteDewy
- β 4 2 sebum-absorbing powders (Nylon-12, Silica)
- β 9 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)
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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
- β 3 High mineral load at #6 greys under foundation (nano)
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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 (32)
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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Mineral UV filter (Titanium Dioxide)
- β 31.4 UV protection, incl. long-UVA (UVA1)
- β 10 white marks, worst on dark fabric (washable)
- pills β 3 High mineral load greys under foundation (nano)
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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 2 volatile carrier, flashes off
- matte β 2 volatile carrier, flashes off
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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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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 14 feeds malassezia
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12 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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Emulsifier, keeps oil and water blended
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Thickener and texture, structures the gel or cream
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Preservative, keeps the formula from spoiling
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16 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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17 Dimethicone
Emollient, softens and smooths skin
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Thickener and texture, structures the gel or cream
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19 Panthenol
Soothing, skin-conditioning active
- 1 β nourishing humectant
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Antioxidant, protects the formula and skin
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21 Allantoin
Soothing, skin-conditioning active
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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23 Fragrance
Fragrance
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Chelator, binds stray metal ions to keep the formula stable
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Humectant, pulls water into the skin
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
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27 Dimethiconol
Emollient, softens and smooths skin
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28 PEG-8
Emulsifier, keeps oil and water blended
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29 Tocopherol
Antioxidant, protects the formula and skin
-
Antioxidant, protects the formula and skin
-
Antioxidant, protects the formula and skin
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32 Citric Acid
pH adjuster
Is ISDIN Fotoultra 100 Spot Prevent Fusion Fluid good for oily skin?
Yes, it suits oily skin well. The finish is matte and lightweight, breakout risk is low, and it is an excellent makeup base.
Is the ISDIN Fotoultra 100 Spot Prevent Fusion Fluid Spf 50+ good?
Protection is excellent and it scores 77.4. The hybrid filter blend with a modern Tinosorb-type triazine makes it a strong daily pick.
Does it leave a white cast?
White cast is low. It is mostly a chemical formula with a little titanium dioxide, so it blends in cleanly.