Z Blok ClearZinc SPF45
72/100 overall score
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Ingredient & SPF scores
☀️
UV protection
Good
63
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +8 Ethylhexyl Salicylate at #2, UV filter
- +18 Ethylhexyl Methoxycinnamate at #3, UV filter
- −5 UVB coverage saturated
- +1 Label claims (SPF 45)
☢️
Health safety
High
64
- +100 Starting score
- −36 Octinoxate at #3 (regulatory/evidence concern)
🤧
Allergens
Low
82
- +100 Starting score
- −18 Sensitizing preservatives (Methylisothiazolinone)
👻
White cast
Low
74
- +100 Starting score
- −28 Zinc Oxide, 10% declared
- +2 Coated minerals (Triethoxycaprylylsilane)
🔥
Eye sting
Low
75
- +100 Starting score
- −16 Octinoxate at #3, migrates into eyes with sweat
- −9 Octisalate at #2, migrates into eyes with sweat
🍄
Fungal acne
Medium
61
- +100 Starting score
- −37 3 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate, PEG-100 Stearate, Glyceryl Behenate)
- −2 1 ubiquitous fatty ingredients (Cetearyl Glucoside), weak Malassezia signal
👕
Fabric stains
Low
85
- +100 Starting score
- −15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
💧
Moisture
Balanced
LightNourishing
- ← 5 Zinc Oxide at #1, mild sebum absorbent
- → 1 Glycerin at #14, the anchor humectant
- → 1 1 strong humectants (Panthenol)
- → 2 Light emollient/solvent (Caprylic/Capric Triglyceride)
- → 0.5 1 fatty-alcohol emollients (Cetearyl Alcohol)
💄
Makeup base
Okay
PillsPrimer
- → 2 Dry-touch esters, smooth fast-absorbing base
- ← 15 High mineral load at #1 greys under foundation
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance →Full ingredient list (25)
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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Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- ↑ 41 UV protection, incl. long-UVA (UVA1)
- ↑ 28 10% declared
- ↑ 18 10% declared
- ↑ 15 white marks, worst on dark fabric (washable)
- light ← 5 mild sebum absorbent
- pills ← 15 High mineral load greys under foundation
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Legacy UV filter (Octisalate), high in the list, a primary filter
- ↑ 8 UV protection
- ↑ 9 migrates into eyes with sweat
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Legacy UV filter (Octinoxate), high in the list, a primary filter
- ↑ 18 UV protection
- ↑ 16 migrates into eyes with sweat
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4 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
-
Emollient, softens and smooths skin
- 6 → dewy emollient lipid
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Emollient, softens and smooths skin
- 2 → nourishing light emollient
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Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
-
Fatty alcohol, an emollient and thickener, not the drying kind
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Film former, locks the formula onto skin for water resistance
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Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 → nourishing fatty-alcohol emollient
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Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
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13 Dimethicone
Emollient, softens and smooths skin
-
14 Glycerin
Humectant, pulls water into the skin
- 1 → nourishing the anchor humectant
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Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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16 Propanediol
Humectant, pulls water into the skin
-
Preservative, keeps the formula from spoiling
-
Supporting ingredient
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Emulsifier, keeps oil and water blended
- ↑ 2 minor malassezia feeder
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Preservative, keeps the formula from spoiling
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Chelator, binds stray metal ions to keep the formula stable
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22 Allantoin
Soothing, skin-conditioning active
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Soothing, skin-conditioning active
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24 Panthenol
Soothing, skin-conditioning active
- 1 → nourishing humectant
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Antioxidant, protects the formula and skin