Iwostin Solecrin SPF 50+
93/100 overall score
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About this sunscreen
Iwostin Solecrin SPF 50+ is a chemical sunscreen built on a modern filter set, including Tris-Biphenyl Triazine, Ethylhexyl Triazone, and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, which commonly deliver strong, photostable broad spectrum cover. It wears lightweight with a matte finish and shows essentially no white cast, and works well under makeup. It does not sting and is generally low for pore-clogging. Protection is excellent and the score near 93 puts it among the strongest options here.
Ingredient & SPF scores
βοΈ
UV protection
Excellent
91
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #4, UV filter (UVA1 +20.9)
- +28.5 Tris-Biphenyl Triazine at #5, UV filter
- +7.6 Ethylhexyl Salicylate at #6, UV filter
- +17.6 Ethylhexyl Triazone at #9, UV filter
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #10, UV filter (UVA1 +12.8)
- β24.7 UVB coverage saturated
- β12.9 UVA2 coverage saturated
- +2 Label claims (SPF 50)
π»
White cast
Low
92
- +100 Starting score
- β8 Tinosorb A2B at #5 (particulate filter)
π₯
Eye sting
Low
94
- +100 Starting score
- β6 Octisalate at #6, migrates into eyes with sweat
π
Fabric stains
Low
85
- +100 Starting score
- β15 Uvinul A Plus (DHHB) at #4, oil-soluble UVA filter, fabric stains
π§
Moisture
Balanced
LightNourishing
- β 3 1 sebum-absorbing powders (Silica)
- β 2 Sodium Hyaluronate at #17, hyaluronic family
- β 1 Humectant polyols
β¨
Finish
Matte
MatteDewy
- β 3 1 sebum-absorbing powders (Silica)
- β 6 2 dry-touch emollients reduce greasy shine (Diisopropyl Sebacate, Dibutyl Adipate)
π
Makeup base
Good
PillsPrimer
- β 3 1 soft-focus powders in moderation
- β 6 Dry-touch esters, smooth fast-absorbing base
- β 0.5 Gel polymers prone to pilling under friction (Carbomer)
π
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +3 1 film-forming polymers that lock the formula on for water resistance
Skincare 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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1 Water
Solvent base, the water phase
-
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
-
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
-
Modern UV filter, broad-spectrum and photostable (Tinosorb A2B)
- β 28.5 UV protection
-
Legacy UV filter (Octisalate)
- β 7.6 UV protection
- β 6 migrates into eyes with sweat
-
Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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8 Silica
Mattifying powder, absorbs oil and blurs the finish
- light β 3 sebum-absorbing powder
- matte β 3 sebum-absorbing powder
-
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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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)
-
Humectant, pulls water into the skin
-
Antioxidant, protects the formula and skin
-
Emulsifier, keeps oil and water blended
-
Fatty alcohol, an emollient and thickener, not the drying kind
-
Filter booster, photostabilizes the UV filters or lifts their SPF
-
16 Sarcosine
Protein, peptide or amino acid, conditions and hydrates skin
-
Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
-
Emulsifier, keeps oil and water blended
-
Film former, locks the formula onto skin for water resistance
- β 3 film former
-
Humectant, pulls water into the skin
-
Humectant, pulls water into the skin
-
22 Xanthan Gum
Thickener and texture, structures the gel or cream
-
23 Carbomer
Thickener and texture, structures the gel or cream
-
24 Citric Acid
pH adjuster
-
pH adjuster
-
Preservative, keeps the formula from spoiling
Is Iwostin Solecrin a good sunscreen?
It scores near 93 out of 100, among the strongest here, with excellent protection. It uses a modern filter set, does not sting, and works well under makeup.
Is the Iwostin Solecrin SPF 50+ mineral or chemical?
It is a chemical sunscreen built on modern filters, including Tris-Biphenyl Triazine, Ethylhexyl Triazone, and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, which commonly give strong, photostable broad spectrum cover.
Does it leave a white cast and suit oily skin?
White cast is essentially none and the finish is matte, suiting oily skin. It is generally low for pore-clogging.