Cotz Silky Foam SPF 30 Non-tinted
82/100 overall score
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Ingredient & SPF scores
βοΈ
UV protection
Good
74
- +33 Titanium Dioxide at #1, UV filter (UVA1 +5)
- +41 Zinc Oxide at #2, UV filter (UVA1 +18)
- β1 UVA2 coverage saturated
- +1 Label claims (SPF 30)
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White cast
Low
85
- +100 Starting score
- β28 Zinc Oxide, 10% declared
- β7 Titanium Dioxide, 3% declared
- β10 Zinc Oxide + Titanium Dioxide together
- β8 Pure mineral formula (13% total declared)
- +37.1 Tinted formula, pigment masks the cast
- +1.1 Coated minerals (Triethoxycaprylylsilane)
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Heavy feel
Low
62
- +100 Starting score
- β18 Zinc Oxide, 10% declared
- β10 Titanium Dioxide, 3% declared
- β10 Both minerals in the top 3, dual mineral paste
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Fungal acne
Medium
65
- +100 Starting score
- β12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 80)
- β23 2 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate, Ceteareth-20)
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Fabric stains
Medium
40
- +100 Starting score
- β40 Iron-oxide pigments at #15, makeup-like collar marks (washable)
- β15 Titanium Dioxide at #1, white marks, worst on dark fabric (washable)
- β5 Both minerals present, heavier deposit
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Moisture
Light
LightNourishing
- β 3 2 sebum-absorbing powders (Polymethyl Methacrylate, Methyl Methacrylate Crosspolymer)
- β 5 Zinc Oxide at #2, mild sebum absorbent
- β 2 Titanium Dioxide at #1, mild sebum absorbent
- β 1 Glycerin at #13, the anchor humectant
- β 2 1 strong humectants (Glycereth-26)
- β 0.5 1 fatty-alcohol emollients (Cetearyl Alcohol)
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Finish
Balanced
MatteDewy
- β 2 2 sebum-absorbing powders (Methyl Methacrylate Crosspolymer, Polymethyl Methacrylate)
- β 6 1 emollient lipids (C12-15 Alkyl Benzoate)
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Makeup base
Okay
PillsPrimer
- β 2 Dry-touch esters, smooth fast-absorbing base
- β 3 Gel polymers prone to pilling under friction (Cellulose Gum)
- β 7.5 High mineral load at #1 greys under foundation (tinted)
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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 (26)
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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Mineral UV filter (Titanium Dioxide), high in the list, a primary filter
- β 33 UV protection, incl. long-UVA (UVA1)
- β 7 3% declared
- β 10 3% declared
- β 15 white marks, worst on dark fabric (washable)
- light β 2 mild sebum absorbent
- pills β 7.5 High mineral load greys under foundation (tinted)
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Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- β 41 UV protection, incl. long-UVA (UVA1)
- β 28 10% declared
- β 18 10% declared
- light β 5 mild sebum absorbent
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Emollient, softens and smooths skin
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Emollient, softens and smooths skin
- 6 β dewy emollient lipid
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Chelator, binds stray metal ions to keep the formula stable
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Preservative, keeps the formula from spoiling
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Thickener and texture, structures the gel or cream
-
Emulsifier, keeps oil and water blended
- β 14 feeds malassezia
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Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 β nourishing fatty-alcohol emollient
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10 Citric Acid
pH adjuster
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Chelator, binds stray metal ions to keep the formula stable
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12 Glycereth-26
Emulsifier, keeps oil and water blended
- 2 β nourishing humectant
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13 Glycerin
Humectant, pulls water into the skin
- 1 β nourishing the anchor humectant
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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15 Iron Oxides
Colorant or pigment
- β 40 makeup-like collar marks (washable)
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Mattifying powder, absorbs oil and blurs the finish
- light β 1.5 sebum-absorbing powder
- matte β 1 sebum-absorbing powder
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Thickener and texture, structures the gel or cream
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Emollient, softens and smooths skin
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Mattifying powder, absorbs oil and blurs the finish
- light β 1.5 sebum-absorbing powder
- matte β 1 sebum-absorbing powder
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Film former, locks the formula onto skin for water resistance
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Supporting ingredient
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Film former, locks the formula onto skin for water resistance
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Supporting ingredient
-
Supporting ingredient
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26 Water
Solvent base, the water phase