Medicube No Cast Just Glow Collagen Sunscreen SPF 50
70/100 overall score
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About this sunscreen
Medicube No Cast Just Glow Collagen Sunscreen SPF 50 is a chemical sunscreen on an older-generation filter base of Homosalate, Octocrylene, Ethylhexyl Salicylate, and Avobenzone. As the name suggests, white cast stays low, and it wears lightweight with a balanced finish that works well under makeup. It sits low on the pore-clogging scale but may sting slightly for some users. With good protection and a score of 70/100, it is a comfortable everyday SPF 50 whose dated filters keep it out of the top tier.
Ingredient & SPF scores
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UV protection
Good
60
- +12 Homosalate at #2, UV filter
- +16 Octocrylene at #3, UV filter
- +7.6 Ethylhexyl Salicylate at #5, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #7, UV filter (UVA1 +15.2)
- Γ0.9 Limited long-UVA1 coverage
- +2 Label claims (SPF 50)
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Health safety
Medium
46
- +100 Starting score
- β40 Homosalate at #2 (regulatory/evidence concern)
- β10.5 Octocrylene at #3, stacked (regulatory/evidence concern)
- β3.5 Avobenzone at #7, stacked (regulatory/evidence concern)
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Allergens
Low
97
- +100 Starting score
- β3 Photoallergen-tail UV filters (Octocrylene)
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Eye sting
Medium
47
- +100 Starting score
- β16 Avobenzone at #7, migrates into eyes with sweat
- β22 Octocrylene at #3, migrates into eyes with sweat
- β9 Homosalate at #2, migrates into eyes with sweat
- β6 Octisalate at #5, migrates into eyes with sweat
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Fungal acne
Medium
68
- +100 Starting score
- β32 3 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-3 Distearate, Glyceryl Stearate Citrate, Sodium Stearoyl Glutamate)
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Fabric stains
High
30
- +100 Starting score
- β45 Avobenzone at #7, reacts with iron in wash water into rust-yellow stains
- β15 Octocrylene at #3, co-stains alongside avobenzone
- β10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Hydrating
LightNourishing
- β 3 1 sebum-absorbing powders (Silica)
- β 2 Hyaluronic Acid at #35, hyaluronic family
- β 1 Humectant polyols
- β 1 1 emollient lipids (Squalane)
- β 6 Ceramide barrier lipids
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Finish
Balanced
MatteDewy
- β 3 1 sebum-absorbing powders (Silica)
- β 1 1 dry-touch emollients reduce greasy shine (Caprylyl Methicone)
- β 1 1 emollient lipids (Squalane)
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Makeup base
Good
PillsPrimer
- β 8 1 velvet elastomer fillers, blur and grip
- β 3 1 soft-focus powders in moderation
- β 1 Dry-touch esters, smooth fast-absorbing base
- β 2 Gel polymers prone to pilling under friction (Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Poly C10-30 Alkyl Acrylate, Polyacrylate Crosspolymer-6, β¦)
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Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance βFull ingredient list (38)
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
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Legacy UV filter (Homosalate), high in the list, a primary filter
- β 12 UV protection
- β 9 migrates into eyes with sweat
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Legacy UV filter (Octocrylene), high in the list, a primary filter
- β 16 UV protection
- β 10.5 stacked (regulatory/evidence concern)
- β 22 migrates into eyes with sweat
- β 15 co-stains alongside avobenzone
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Emollient, softens and smooths skin
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Legacy UV filter (Octisalate)
- β 7.6 UV protection
- β 6 migrates into eyes with sweat
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Legacy UV filter (Avobenzone)
- β 28.5 UV protection, incl. long-UVA (UVA1)
- β 3.5 stacked (regulatory/evidence concern)
- β 16 migrates into eyes with sweat
- β 45 reacts with iron in wash water into rust-yellow stains
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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
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Humectant, pulls water into the skin
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 14 feeds malassezia
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Emollient, softens and smooths skin
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Fatty alcohol, an emollient and thickener, not the drying kind
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Thickener and texture, structures the gel or cream
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16 Tromethamine
pH adjuster
-
Thickener and texture, structures the gel or cream
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Thickener and texture, structures the gel or cream
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Thickener and texture, structures the gel or cream
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23 Xanthan Gum
Thickener and texture, structures the gel or cream
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Humectant, pulls water into the skin
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Supporting ingredient
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26 Niacinamide
Soothing, skin-conditioning active
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27 Ceramide NP
Soothing, skin-conditioning active
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28 Squalane
Emollient, softens and smooths skin
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
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29 Tocopherol
Antioxidant, protects the formula and skin
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Protein, peptide or amino acid, conditions and hydrates skin
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31 Asiaticoside
Soothing, skin-conditioning active
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Soothing, skin-conditioning active
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33 Asiatic Acid
Soothing, skin-conditioning active
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Soothing, skin-conditioning active
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
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Preservative, keeps the formula from spoiling
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Protein, peptide or amino acid, conditions and hydrates skin
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Protein, peptide or amino acid, conditions and hydrates skin
Does Medicube No Cast Just Glow really avoid white cast?
Yes, white cast stays low, in line with the name. It is a chemical formula that wears lightweight with a balanced finish.
Does the Medicube No Cast Just Glow Collagen Sunscreen SPF 50 work well under makeup?
Yes, it rates well as a makeup base. It is lightweight, finishes balanced, and sits low on the pore-clogging scale.
Is this sunscreen any good?
It scores 70/100 with good SPF 50 protection. It is a comfortable daily pick, though its older filters keep it out of the top tier and it may sting slightly for some users.