Priori Tetra Fx251
82/100 overall score
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About this sunscreen
Priori Tetra Fx251 is a pure mineral sunscreen using Titanium Dioxide and Zinc Oxide for broad UV defense. It delivers a balanced finish, stays lightweight, and keeps white cast low, which is uncommon for an all-mineral formula and makes it pleasant to wear. It does not commonly sting, carries low pore-clogging risk, and works well as a makeup base. With good protection and a strong overall score of 82.3/100, it is a solid pick for those who prefer mineral filters without the usual heaviness.
Ingredient & SPF scores
☀️
UV protection
Good
73
- +33 Titanium Dioxide at #1, UV filter (UVA1 +5)
- +41 Zinc Oxide at #2, UV filter (UVA1 +18)
- −1 UVA2 coverage saturated
👻
White cast
Low
76
- +100 Starting score
- −14 Zinc Oxide, 8.5% declared
- −18 Titanium Dioxide, 8% declared
- −10 Zinc Oxide + Titanium Dioxide together
- −15 Pure mineral formula (16.5% total declared)
- +28.5 Iron-oxide undertone, partial masking
- +4.3 Coated minerals (Triethoxycaprylylsilane, Alumina, Hydrogen Dimethicone)
🪨
Heavy feel
Low
62
- +100 Starting score
- −8 Zinc Oxide, 8.5% declared
- −20 Titanium Dioxide, 8% declared
- −10 Both minerals in the top 3, dual mineral paste
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Fungal acne
Low
91
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Lecithin)
👕
Fabric stains
Medium
40
- +100 Starting score
- −40 Iron-oxide pigments at #16, makeup-like collar marks (washable)
- −15 Titanium Dioxide at #1, white marks, worst on dark fabric (washable)
- −5 Both minerals present, heavier deposit
💧
Moisture
Light
LightNourishing
- ← 3 2 sebum-absorbing powders (Silica, Polymethylsilsesquioxane)
- ← 1 Volatile carriers flash off, leaving a dry finish
- ← 5 Zinc Oxide at #2, mild sebum absorbent
- ← 2 Titanium Dioxide at #1, mild sebum absorbent
✨
Finish
Balanced
MatteDewy
- ← 2 2 sebum-absorbing powders (Polymethylsilsesquioxane, Silica)
- ← 1 Volatile carriers flash off, leaving a dry finish
- → 6 1 emollient lipids (C12-15 Alkyl Benzoate)
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Makeup base
Good
PillsPrimer
- → 1 Primer-style base, volatile silicones and dimethicone slip
- → 12 2 velvet elastomer fillers, blur and grip
- → 2 Dry-touch esters, smooth fast-absorbing base
- ← 7.5 High mineral load at #1 greys under foundation (tinted)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance →Full ingredient list (32)
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 (Titanium Dioxide), high in the list, a primary filter
- ↑ 33 UV protection, incl. long-UVA (UVA1)
- ↑ 18 8% declared
- ↑ 20 8% declared
- ↑ 15 white marks, worst on dark fabric (washable)
- light ← 2 mild sebum absorbent
- pills ← 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
- ↑ 41 UV protection, incl. long-UVA (UVA1)
- ↑ 14 8.5% declared
- ↑ 8 8.5% declared
- light ← 5 mild sebum absorbent
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3 Alumina
Supporting ingredient
-
Botanical extract
-
Botanical extract
-
Emollient, softens and smooths skin
-
Emollient, softens and smooths skin
- 6 → dewy emollient lipid
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Preservative, keeps the formula from spoiling
-
Antioxidant, protects the formula and skin
-
10 Dimethicone
Emollient, softens and smooths skin
-
Emulsifier, keeps oil and water blended
-
Emollient, softens and smooths skin
-
Humectant, pulls water into the skin
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Humectant, pulls water into the skin
-
Emollient, softens and smooths skin
-
16 Iron Oxides
Colorant or pigment
- ↑ 40 makeup-like collar marks (washable)
-
17 Isododecane
Volatile hydrocarbon, flashes off for a light finish
- light ← 1 volatile carrier, flashes off
- matte ← 1 volatile carrier, flashes off
-
Emollient, softens and smooths skin
-
Emulsifier, keeps oil and water blended
-
20 Lecithin
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
21 Melanin
Supporting ingredient
-
Supporting ingredient
-
Fatty alcohol, an emollient and thickener, not the drying kind
-
Preservative, keeps the formula from spoiling
-
Botanical extract
-
Emulsifier, keeps oil and water blended
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Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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28 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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Thickener and texture, structures the gel or cream
-
Supporting ingredient
-
Thickener and texture, structures the gel or cream
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32 Water
Solvent base, the water phase
Is Priori Tetra Fx251 mineral or chemical?
It is a pure mineral sunscreen, using Titanium Dioxide and Zinc Oxide as its only UV filters. There are no chemical filters in the blend.
Does the Priori Tetra Fx251 leave a white cast?
White cast is rated low, which is uncommon for an all-mineral formula. Combined with a balanced, lightweight finish, it generally wears without an obvious film.
Is it any good?
Yes, it scores a strong 82.3/100 with good protection. It also has low pore-clogging risk and works well under makeup, making it a solid mineral pick.