ISDIN Eryfotona Ak Fluid Spf 100+
81/100 overall score
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About this sunscreen
ISDIN Eryfotona AK Fluid SPF 100+ is a high-protection hybrid fluid pairing titanium dioxide with avobenzone and Tinosorb S. It has a matte finish, a low white cast, a lightweight feel, and a low pore-clogging profile, making it suitable for oily and acne-prone skin. Protection is rated excellent at a very high SPF, and the overall score lands at about 81 out of 100. It is generally a dependable pick for those wanting strong daily defense.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
93
- +33 Titanium Dioxide at #2, UV filter (UVA1 +5)
- +30 Butyl Methoxydibenzoylmethane at #3, UV filter (UVA1 +16)
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #5, UV filter (UVA1 +15.2)
- β1.1 UVB coverage saturated
- β16.3 UVA2 coverage saturated
- +2 Label claims (SPF 100)
β’οΈ
Health safety
High
90
- +100 Starting score
- β10 Avobenzone at #3 (regulatory/evidence concern)
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Allergens
Low
70
- +100 Starting score
- β18 Fragrance
- β12 Opaque "Fragrance", hidden allergens that can't be checked from the label
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White cast
Low
75
- +100 Starting score
- β25 Titanium Dioxide at #2 (nano)
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Eye sting
Medium
45
- +100 Starting score
- β24 Avobenzone at #3, migrates into eyes with sweat
- β18 Volatile alcohol at #1
- β5 Alcohol high up speeds filter migration
- β8 Fragrance
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Heavy feel
Low
87
- +100 Starting score
- β30 Titanium Dioxide at #2
- +12 Volatile alcohol at #1, evaporating texture
- +4.5 Volatile silicone at #4, flashes off
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Fungal acne
Medium
58
- +100 Starting score
- β9 1 oils/butters that feed Malassezia (Lecithin)
- β33 2 long-chain (C12+) esters that feed Malassezia (PEG-30 Dipolyhydroxystearate, Glyceryl Stearate)
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Fabric stains
Medium
35
- +100 Starting score
- β50 Avobenzone at #3, reacts with iron in wash water into rust-yellow stains
- β15 Titanium Dioxide at #2, white marks, worst on dark fabric (washable)
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Moisture
Light
LightNourishing
- β 22 Volatile alcohol at #1
- β 4.5 2 sebum-absorbing powders (Silica, Nylon-12)
- β 5 Volatile carriers flash off, leaving a dry finish
- β 2 Titanium Dioxide at #2, mild sebum absorbent
- β 1 1 strong humectants (Panthenol)
- β 1 Humectant polyols
β¨
Finish
Matte
MatteDewy
- β 4 2 sebum-absorbing powders (Nylon-12, Silica)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 5 Volatile alcohol at #1
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Makeup base
Good
PillsPrimer
- β 6 Primer-style base, volatile silicones and dimethicone slip
- β 10 Quick-setting carrier (alcohol at #1), fast, even canvas
- β 7.5 High mineral load at #2 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 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¨ Vitamin E
Full ingredient list (26)
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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Volatile alcohol, a drying solvent that can sting eyes
- β 5 Alcohol high up speeds filter migration
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Mineral UV filter (Titanium Dioxide), high in the list, a primary filter
- β 33 UV protection, incl. long-UVA (UVA1)
- β 15 white marks, worst on dark fabric (washable)
- light β 2 mild sebum absorbent
- pills β 7.5 High mineral load greys under foundation (nano)
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Legacy UV filter (Avobenzone), high in the list, a primary filter
- β 30 UV protection, incl. long-UVA (UVA1)
- β 24 migrates into eyes with sweat
- β 50 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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Modern UV filter, broad-spectrum and photostable (Tinosorb S)
- β 45.6 UV protection, incl. long-UVA (UVA1)
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Emulsifier, keeps oil and water blended
- β 24 feeds malassezia
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8 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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Emollient, softens and smooths skin
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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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13 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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Thickener and texture, structures the gel or cream
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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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17 Fragrance
Fragrance
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18 Bisabolol
Soothing, skin-conditioning active
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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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21 Panthenol
Soothing, skin-conditioning active
- 1 β nourishing humectant
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22 PEG-8
Emulsifier, keeps oil and water blended
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23 Tocopherol
Antioxidant, protects the formula and skin
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24 Lecithin
Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Botanical extract
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Antioxidant, protects the formula and skin
Is ISDIN Eryfotona AK Fluid SPF 100+ good?
Yes, it scores about 81 out of 100. Protection is rated excellent at a very high SPF, so it is generally a dependable pick for strong daily defense.
Is the ISDIN Eryfotona Ak Fluid Spf 100+ good for oily or acne-prone skin?
It is generally a good fit. The finish is matte and the pore-clogging profile is rated low, which commonly suits oily and acne-prone skin.
Is it mineral or chemical?
It is a hybrid, pairing the mineral titanium dioxide with chemical filters avobenzone and Tinosorb S.