Cosmed Alight Fluid SPF 50+
90/100 overall score
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About this sunscreen
Cosmed Alight Fluid SPF 50+ is a hybrid sunscreen that combines modern chemical filters (Tinosorb S, Uvinul A Plus, Uvinul T 150, Polysilicone-15) with mineral zinc oxide and titanium dioxide. The fluid texture wears lightweight with a balanced finish and low white cast, and does not commonly sting. It is generally low risk for clogging pores and works okay under makeup. With excellent protection and a high 89.6/100 score, it is a well-rounded daily sunscreen.
Ingredient & SPF scores
☀️
UV protection
Excellent
100
- +48 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #2, UV filter (UVA1 +16)
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #7, UV filter (UVA1 +20.9)
- +32.8 Zinc Oxide at #8, UV filter (UVA1 +14.4)
- +7.2 Polysilicone-15 at #13, UV filter
- +13.2 Ethylhexyl Triazone at #14, UV filter
- +19.8 Titanium Dioxide at #16, UV filter (UVA1 +3)
- +9 Butyl Methoxydibenzoylmethane at #38, UV filter (UVA1 +4.8)
- −24.8 UVB coverage saturated
- −25.3 UVA2 coverage saturated
- −14.1 UVA1 coverage saturated
- +2 Label claims (SPF 50)
☢️
Health safety
High
90
- +100 Starting score
- −10 Avobenzone at #38 (regulatory/evidence concern)
👻
White cast
Low
72
- +100 Starting score
- −12 Zinc Oxide at #8
- −6 Titanium Dioxide at #16
- −10 Zinc Oxide + Titanium Dioxide together
🔥
Eye sting
Low
97
- +100 Starting score
- −3 Avobenzone at #38, migrates into eyes with sweat
🪨
Heavy feel
Low
87
- +100 Starting score
- −8 Zinc Oxide at #8
- −2 Titanium Dioxide at #16
- −3 Hydrogenated Polyisobutene at #11, heavy oil
🔴
Comedogenic
Low
98
- +100 Starting score
- −1 Glycine Soja Oil at #32, moderate comedogenic signal
- −1 Palmitic Acid at #17, moderate comedogenic signal
🍄
Fungal acne
Medium
71
- +100 Starting score
- −27 3 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Glycine Soja Oil, Hydrogenated Lecithin)
- −2 1 ubiquitous fatty ingredients (Palmitic Acid), weak Malassezia signal
👕
Fabric stains
Medium
47
- +100 Starting score
- −28 Avobenzone at #38, reacts with iron in wash water into rust-yellow stains
- −15 Uvinul A Plus (DHHB) at #7, oil-soluble UVA filter, fabric stains
- −5 Zinc Oxide at #8, white marks, worst on dark fabric (washable)
- −5 Both minerals present, heavier deposit
💧
Moisture
Hydrating
LightNourishing
- ← 1.5 1 sebum-absorbing powders (Silica)
- → 4 Glycerin at #9, the anchor humectant
- → 1 1 strong humectants (Ectoin)
- → 2 Humectant polyols
- → 3 3 emollient lipids (Squalane, Helianthus Annuus Seed Oil, Glycine Soja Oil)
✨
Finish
Balanced
MatteDewy
- ← 1 1 sebum-absorbing powders (Silica)
- ← 2 1 dry-touch emollients reduce greasy shine (Caprylyl Methicone)
- → 9 4 emollient lipids (Squalane, Helianthus Annuus Seed Oil, Glycine Soja Oil, …)
💄
Makeup base
Okay
PillsPrimer
- → 1 Primer-style base, volatile silicones and dimethicone slip
- → 4 Dry-touch esters, smooth fast-absorbing base
- ← 0.5 Gel polymers prone to pilling under friction (Sodium Polyacrylate)
- ← 2 Occlusives/waxes float the foundation
🌊
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
Full ingredient list (42)
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
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S), high in the list, a primary filter
- ↑ 48 UV protection, incl. long-UVA (UVA1)
-
Humectant, pulls water into the skin
- 2 → nourishing humectant polyol
-
Soothing, skin-conditioning active
-
Emollient, softens and smooths skin
- 6 → dewy emollient lipid
-
Emollient, softens and smooths skin
- matte ← 2 dry-touch emollient, anti-shine
-
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
-
Mineral UV filter (Zinc Oxide), low in the list, likely a minor contributor
- ↑ 32.8 UV protection, incl. long-UVA (UVA1)
- ↑ 5 white marks, worst on dark fabric (washable)
-
9 Glycerin
Humectant, pulls water into the skin
- 4 → nourishing the anchor humectant
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Fatty alcohol, an emollient and thickener, not the drying kind
-
Emollient, softens and smooths skin
- ↑ 3 heavy oil
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12 Dimethicone
Emollient, softens and smooths skin
-
Modern UV filter, broad-spectrum and photostable (Polysilicone-15), low in the list, likely a minor contributor
- ↑ 7.2 UV protection
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Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- ↑ 13.2 UV protection
-
Emulsifier, keeps oil and water blended
-
Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
- ↑ 19.8 UV protection, incl. long-UVA (UVA1)
-
Emollient, softens and smooths skin
- ↑ 1 moderate comedogenic signal
- ↑ 2 minor malassezia feeder
-
Supporting ingredient
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Preservative, keeps the formula from spoiling
-
Emollient, softens and smooths skin
-
22 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
-
23 Ectoin
Soothing, skin-conditioning active
- 1 → nourishing humectant
-
Botanical extract
-
25 Squalane
Emollient, softens and smooths skin
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
-
Supporting ingredient
-
Chelator, binds stray metal ions to keep the formula stable
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28 Glutathione
Antioxidant, protects the formula and skin
-
Thickener and texture, structures the gel or cream
-
30 Bisabolol
Soothing, skin-conditioning active
-
Botanical extract
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
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Plant oil, an emollient
- ↑ 1 moderate comedogenic signal
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
-
Emollient, softens and smooths skin
-
Thickener and texture, structures the gel or cream
-
Botanical extract
-
Botanical extract
-
Botanical extract
-
Legacy UV filter (Avobenzone), low in the list, likely a minor contributor
- ↑ 9 UV protection, incl. long-UVA (UVA1)
- ↑ 3 migrates into eyes with sweat
- ↑ 28 reacts with iron in wash water into rust-yellow stains
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39 Tocopherol
Antioxidant, protects the formula and skin
-
Botanical extract
-
41 Bakuchiol
Supporting ingredient
-
Botanical extract
Is Cosmed Alight Fluid SPF 50 mineral or chemical?
It is a hybrid sunscreen. It combines modern chemical filters, such as Tinosorb S, Uvinul A Plus, and Uvinul T 150, with mineral zinc oxide and titanium dioxide.
Does Cosmed Alight Fluid leave a white cast?
No, it has a low white cast and a balanced finish despite the mineral filters. The fluid texture wears lightweight and does not commonly sting.
Is Cosmed Alight Fluid SPF 50 good?
Yes, it scores a high 89.6/100 with excellent protection. It is a well-rounded daily sunscreen that is generally low risk for clogging pores.