Peter Thomas Roth Instant Mineral Spf 45
74/100 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 45)
β’οΈ
Health safety
High
91
- +100 Starting score
- β9 Retinyl Palmitate at #8, disputed vitamin-A sunlight signal, under review
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White cast
High
15
- +100 Starting score
- β42 Zinc Oxide, 19.6% declared
- β50 Titanium Dioxide, 20.8% declared
- β10 Zinc Oxide + Titanium Dioxide together
- β15 Pure mineral formula (40.4% total declared)
- +17 Penalties exceed the scale, floored at 0
- +15 Coated minerals (Triethoxycaprylylsilane, Aluminum Hydroxide)
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Heavy feel
High
25
- +100 Starting score
- β30 Zinc Oxide, 19.6% declared
- β30 Titanium Dioxide, 20.8% declared
- β5 Stearic Acid at #5, rich gel-network thickener
- β10 Both minerals in the top 3, dual mineral paste
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Fungal acne
Low
90
- +100 Starting score
- β10 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
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Fabric stains
Low
80
- +100 Starting score
- 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 13 2 sebum-absorbing powders (Silica, Polymethylsilsesquioxane)
- β 5 Zinc Oxide at #2, mild sebum absorbent
- β 2 Titanium Dioxide at #1, mild sebum absorbent
β¨
Finish
Matte
MatteDewy
- β 16 2 sebum-absorbing powders (Silica, Polymethylsilsesquioxane)
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Makeup base
Okay
PillsPrimer
- β 15 High mineral load at #1 greys under foundation
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Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance βSkincare extras
Beneficial actives this formula contains. Informational only, not part of the rating: their effect depends on a concentration the label does not disclose.
- β¨ Vitamin E
- β¨ Vitamin C
Full ingredient list (16)
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 50 20.8% declared
- β 30 20.8% declared
- β 15 white marks, worst on dark fabric (washable)
- light β 2 mild sebum absorbent
- pills β 15 High mineral load greys under foundation
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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 42 19.6% declared
- β 30 19.6% declared
- light β 5 mild sebum absorbent
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3 Silica
Mattifying powder, absorbs oil and blurs the finish
- light β 8 sebum-absorbing powder
- matte β 10 sebum-absorbing powder
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Supporting ingredient
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Emollient, softens and smooths skin
- β 5 rich gel-network thickener
- β 10 minor malassezia feeder
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Mattifying powder, absorbs oil and blurs the finish
- light β 5 sebum-absorbing powder
- matte β 6 sebum-absorbing powder
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Supporting ingredient
-
Emollient, softens and smooths skin
- β 9 disputed vitamin-A sunlight signal, under review
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Antioxidant, protects the formula and skin
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Antioxidant, protects the formula and skin
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Botanical extract
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12 Water
Solvent base, the water phase
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Humectant, pulls water into the skin
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Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
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Chelator, binds stray metal ions to keep the formula stable