Cosmed Sun Essential - Alight Fluid SPF 50
90/100 overall score
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About this sunscreen
Cosmed Sun Essential Alight Fluid is an SPF 50 hybrid sunscreen pairing mineral filters with modern chemical ones, including Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine and Ethylhexyl Triazone. It keeps white cast low, wears with a balanced finish, stays lightweight, and is gentle, with low stinging and a low tendency to clog pores. With a standout 90/100 and excellent protection, it is the top performer in this group and a strong all-round choice for daily high-SPF wear.
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 (41)
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
-
Fatty alcohol, an emollient and thickener, not the drying kind
-
Emollient, softens and smooths skin
- ↑ 3 heavy oil
-
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
-
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
-
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
-
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
-
39 Tocopherol
Antioxidant, protects the formula and skin
-
40 Bakuchiol
Supporting ingredient
-
Botanical extract
Does Cosmed Sun Essential Alight Fluid leave a white cast?
White cast is rated low, so this fluid should blend in cleanly with little visible residue. The hybrid filter blend helps it wear sheer.
Is the Cosmed Sun Essential - Alight Fluid SPF 50 mineral or chemical, and what SPF?
It is a hybrid sunscreen pairing mineral filters with modern chemical ones, rated SPF 50. So it combines both filter types rather than being purely one.
Is this a good sunscreen?
With a standout score of 90 out of 100 and excellent protection, it is the top performer in its group, staying lightweight and balanced with low stinging and a low tendency to clog pores. It is a strong all-round choice for daily high-SPF wear.