SUN Matters SPF 50 Light Serum
93/100 overall score
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About this sunscreen
SUN Matters SPF 50 Light Serum is a chemical sunscreen built on a modern filter set, including the Uvinul A Plus type, Ensulizole, Tinosorb S and Uvinul T 150. It is generally low on white cast, with a balanced, lightweight serum finish, low sting risk and low pore-clogging concern. With a standout 92.8/100 score and excellent protection, it is one of the strongest all-round daily options here.
Ingredient & SPF scores
☀️
UV protection
Excellent
94
- +36 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #3, UV filter (UVA1 +22)
- +13.3 Phenylbenzimidazole Sulfonic Acid at #4, UV filter
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #6, UV filter (UVA1 +15.2)
- +17.6 Ethylhexyl Triazone at #11, UV filter
- −16 UVB coverage saturated
- −4.3 UVA2 coverage saturated
- +2 Label claims (SPF 50)
🔥
Eye sting
Low
96
- +100 Starting score
- −4 Ensulizole at #4, migrates into eyes with sweat
🪨
Heavy feel
Low
88
- +100 Starting score
- −12 Copernicia Cerifera Wax at #7, wax film
🍄
Fungal acne
Medium
58
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil)
- −33 2 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-6 Stearate, Polyglyceryl-6 Behenate)
👕
Fabric stains
Low
85
- +100 Starting score
- −15 Uvinul A Plus (DHHB) at #3, oil-soluble UVA filter, fabric stains
💧
Moisture
Balanced
LightNourishing
- ← 3 2 sebum-absorbing powders (Silica, Lauroyl Lysine)
- → 1 Glycerin at #13, the anchor humectant
- → 2 Sodium Hyaluronate at #22, hyaluronic family
- → 2 2 strong humectants (Trehalose, Ectoin)
- → 1 1 emollient lipids (Helianthus Annuus Seed Oil)
✨
Finish
Balanced
MatteDewy
- ← 2 2 sebum-absorbing powders (Silica, Lauroyl Lysine)
- → 1 1 emollient lipids (Helianthus Annuus Seed Oil)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +7 1 water-locking waxes
Full ingredient list (37)
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
-
Supporting ingredient
-
Modern UV filter, broad-spectrum and photostable (Uvinul A Plus), high in the list, a primary filter
- ↑ 36 UV protection, incl. long-UVA (UVA1)
- ↑ 15 oil-soluble UVA filter, fabric stains
-
Legacy UV filter (Ensulizole)
- ↑ 13.3 UV protection
- ↑ 4 migrates into eyes with sweat
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Emulsifier, keeps oil and water blended
- ↑ 24 feeds malassezia
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Modern UV filter, broad-spectrum and photostable (Tinosorb S)
- ↑ 45.6 UV protection, incl. long-UVA (UVA1)
-
Occlusive, seals moisture into the skin
- ↑ 12 wax film
- ↑ 7 wax water lock
-
Occlusive, seals moisture into the skin
-
Supporting ingredient
-
Humectant, pulls water into the skin
-
Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- ↑ 17.6 UV protection
-
Humectant, pulls water into the skin
-
13 Glycerin
Humectant, pulls water into the skin
- 1 → nourishing the anchor humectant
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14 Ectoin
Soothing, skin-conditioning active
- 1 → nourishing humectant
-
Preservative, keeps the formula from spoiling
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pH adjuster
-
Antioxidant, protects the formula and skin
-
18 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Humectant, pulls water into the 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
- 2 → nourishing hyaluronic family
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Botanical extract
-
Botanical extract
-
Thickener and texture, structures the gel or cream
-
Occlusive, seals moisture into the skin
-
27 Xanthan Gum
Thickener and texture, structures the gel or cream
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28 Niacinamide
Soothing, skin-conditioning active
-
29 Trehalose
Humectant, pulls water into the skin
- 1 → nourishing humectant
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30 Tocopherol
Antioxidant, protects the formula and skin
-
31 O-Cymen-5-Ol
Preservative, keeps the formula from spoiling
-
32 Biotin
Supporting ingredient
-
Humectant, pulls water into the skin
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Chelator, binds stray metal ions to keep the formula stable
-
Botanical extract
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
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Humectant, pulls water into the skin
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37 Phytic Acid
Chelator, binds stray metal ions to keep the formula stable
Does SUN Matters SPF 50 Light Serum leave a white cast?
No, white cast is generally low. It is a chemical serum built on modern filters that absorb cleanly with a balanced, lightweight finish.
Is the SUN Matters SPF 50 Light Serum mineral or chemical, and what SPF?
It is a chemical sunscreen at SPF 50, using a modern filter set including Tinosorb S and the Uvinul A Plus type for broad coverage.
Is SUN Matters SPF 50 Light Serum a good sunscreen?
Yes, it scores a standout 92.8/100 with excellent protection. It is lightweight, low on sting and pore-clogging concern, and one of the strongest daily options available.