Slosophy Slowly Sun Serum SPF 50+
95/100 overall score
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About this sunscreen
Slosophy Slowly Sun Serum is a chemical sunscreen at SPF 50+, built on a modern filter blend including Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, Polysilicone-15 and Methylene Bis-Benzotriazolyl Tetramethylbutylphenol. The serum texture wears lightweight with a balanced finish and low white cast, and it does not sting. It is generally low on breakout potential and okay under makeup. Scoring 95.3 with excellent protection, it is one of the top performers for daily wear.
Ingredient & SPF scores
☀️
UV protection
Excellent
100
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #6, UV filter (UVA1 +15.2)
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #7, UV filter (UVA1 +20.9)
- +17.6 Ethylhexyl Triazone at #8, UV filter
- +9.6 Polysilicone-15 at #9, UV filter
- +38.4 Methylene Bis-Benzotriazolyl Tetramethylbutylphenol at #12, UV filter (UVA1 +14.4)
- −25.1 UVB coverage saturated
- −14.8 UVA2 coverage saturated
- −5.5 UVA1 coverage saturated
- +2 Label claims (SPF 50)
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Fungal acne
Low
79
- +100 Starting score
- −12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 60)
- −9 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-3 Methylglucose Distearate)
👕
Fabric stains
Low
85
- +100 Starting score
- −15 Uvinul A Plus (DHHB) at #7, oil-soluble UVA filter, fabric stains
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Moisture
Balanced
LightNourishing
- ← 5 Volatile alcohol at #10
- ← 4.5 3 sebum-absorbing powders (Silica, Polymethylsilsesquioxane, Methyl Methacrylate Crosspolymer)
- → 1 Glycerin at #39, the anchor humectant
- → 2 Sodium Hyaluronate at #16, hyaluronic family
- → 1 1 strong humectants (Panthenol)
- → 3 Humectant polyols
- → 1 1 emollient lipids (Squalane)
✨
Finish
Balanced
MatteDewy
- ← 3 3 sebum-absorbing powders (Methyl Methacrylate Crosspolymer, Polymethylsilsesquioxane, Silica)
- ← 1 Volatile alcohol at #10
- ← 3 1 dry-touch emollients reduce greasy shine (Dibutyl Adipate)
- → 1 1 emollient lipids (Squalane)
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Makeup base
Okay
PillsPrimer
- → 2 Quick-setting carrier (alcohol at #10), fast, even canvas
- → 3 Dry-touch esters, smooth fast-absorbing base
- ← 1.5 Gel polymers prone to pilling under friction (Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Poly C10-30 Alkyl Acrylate, Polyacrylate Crosspolymer-6)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate 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.
- ✨ Niacinamide
- ✨ Centella asiatica
- ✨ Green tea
Full ingredient list (49)
What each ingredient does and how it moves each rating: green helps, red hurts, ↑ / ↓ give the direction, and ← / → 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 ← 3 dry-touch emollient, anti-shine
-
Humectant, pulls water into the skin
- 2 → nourishing humectant polyol
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Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
-
Botanical extract
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S)
- ↑ 45.6 UV protection, incl. long-UVA (UVA1)
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Modern UV filter, broad-spectrum and photostable (Uvinul A Plus)
- ↑ 34.2 UV protection, incl. long-UVA (UVA1)
- ↑ 15 oil-soluble UVA filter, fabric stains
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Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- ↑ 17.6 UV protection
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Modern UV filter, broad-spectrum and photostable (Polysilicone-15), low in the list, likely a minor contributor
- ↑ 9.6 UV protection
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10 Alcohol
Volatile alcohol, a drying solvent that can sting eyes
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11 Niacinamide
Soothing, skin-conditioning active
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Modern UV filter, broad-spectrum and photostable (Tinosorb M), low in the list, likely a minor contributor
- ↑ 38.4 UV protection, incl. long-UVA (UVA1)
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Soothing, skin-conditioning active
-
Botanical extract
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Plant oil, an emollient
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Humectant, pulls water into the skin
- 2 → nourishing hyaluronic family
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Botanical extract
-
Botanical extract
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Emollient, softens and smooths skin
-
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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Emollient, softens and smooths skin
-
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
-
Humectant, pulls water into the skin
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Humectant, pulls water into the skin
-
Thickener and texture, structures the gel or cream
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Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
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Antioxidant, protects the formula and skin
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29 Tromethamine
pH adjuster
-
Thickener and texture, structures the gel or cream
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Emulsifier, keeps oil and water blended
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Emollient, softens and smooths skin
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33 Panthenol
Soothing, skin-conditioning active
- 1 → nourishing humectant
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Thickener and texture, structures the gel or cream
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35 Squalane
Emollient, softens and smooths skin
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
-
Humectant, pulls water into the skin
-
37 Polyether-1
Supporting ingredient
-
38 Adenosine
Soothing, skin-conditioning active
-
39 Glycerin
Humectant, pulls water into the skin
- 1 → nourishing the anchor humectant
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40 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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Humectant, pulls water into the skin
-
42 Octanediol
Humectant, pulls water into the skin
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Humectant, pulls water into the skin
-
Humectant, pulls water into the skin
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Preservative, keeps the formula from spoiling
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Fatty alcohol, an emollient and thickener, not the drying kind
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Chelator, binds stray metal ions to keep the formula stable
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48 Xanthan Gum
Thickener and texture, structures the gel or cream
-
Supporting ingredient
Does Slosophy Slowly Sun Serum leave a white cast?
No, white cast is generally low. The serum texture absorbs with a balanced finish and does not leave a noticeable cast.
Is the Slosophy Slowly Sun Serum SPF 50+ mineral or chemical?
It is a chemical sunscreen using a modern filter blend, including Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Triazone and Methylene Bis-Benzotriazolyl Tetramethylbutylphenol.
Is it good?
Yes, it scores 95.3 out of 100 with excellent protection at SPF 50+, placing it among the top performers for everyday wear.