Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45
81/100 overall score
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About this sunscreen
Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 is a pure mineral sunscreen using titanium dioxide and zinc oxide. It keeps a matte finish with low white cast, which is notable for a mineral formula, though the texture is moderate in weight rather than ultralight. It does not sting and is generally low risk for breakouts. With an 81/100 score and good protection, it is a strong mineral pick for those who want matte wear without an obvious cast.
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)
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White cast
Low
72
- +100 Starting score
- β42 Zinc Oxide, 19.2% declared
- β7 Titanium Dioxide, 1.9% declared
- β10 Zinc Oxide + Titanium Dioxide together
- β15 Pure mineral formula (21.2% total declared)
- +37 Iron-oxide undertone, partial masking
- +3.7 PHSA dispersant, fights agglomeration
- +5 Coated minerals (Triethoxycaprylylsilane, Alumina, Hydrogen Dimethicone)
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Heavy feel
Medium
50
- +100 Starting score
- β30 Zinc Oxide, 19.2% declared
- β10 Titanium Dioxide, 1.9% declared
- β10 Both minerals in the top 3, dual mineral paste
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Fungal acne
Medium
52
- +100 Starting score
- β12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Sorbitan Olivate)
- β36 4 long-chain (C12+) esters that feed Malassezia (Cetearyl Olivate, Glyceryl Stearate, PEG-100 Stearate)
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Fabric stains
Medium
40
- +100 Starting score
- β40 Iron-oxide pigments at #37, 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 (Silica, Polymethylsilsesquioxane)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 5 Zinc Oxide at #2, mild sebum absorbent
- β 2 Titanium Dioxide at #1, mild sebum absorbent
- β 1 1 emollient lipids (Squalane)
- β 0.5 1 fatty-alcohol emollients (Cetyl Alcohol)
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Finish
Matte
MatteDewy
- β 2 2 sebum-absorbing powders (Polymethylsilsesquioxane, Silica)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 4 3 dry-touch emollients reduce greasy shine (Isodecyl Neopentanoate, Dicaprylyl Carbonate, Coco-Caprylate/Caprate)
- β 1 1 emollient lipids (Squalane)
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Makeup base
Okay
PillsPrimer
- β 3 Quick-setting carrier, fast, even canvas
- β 4 Dry-touch esters, smooth fast-absorbing base
- 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 (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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Mineral UV filter (Titanium Dioxide), high in the list, a primary filter
- β 33 UV protection, incl. long-UVA (UVA1)
- β 7 1.9% declared
- β 10 1.9% 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 42 19.2% declared
- β 30 19.2% declared
- light β 5 mild sebum absorbent
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3 Water
Solvent base, the water phase
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Emollient, softens and smooths skin
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Emollient, softens and smooths skin
- light β 4 volatile carrier, flashes off
- matte β 4 volatile carrier, flashes off
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Supporting ingredient
-
Emollient, softens and smooths skin
- matte β 2 dry-touch emollient, anti-shine
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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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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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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11 Propanediol
Humectant, pulls water into the skin
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Emollient, softens and smooths skin
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Emollient, softens and smooths skin
- β 9 feeds malassezia
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Supporting ingredient
-
Supporting ingredient
-
Preservative, keeps the formula from spoiling
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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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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22 Alumina
Supporting ingredient
-
23 Xanthan Gum
Thickener and texture, structures the gel or cream
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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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Emollient, softens and smooths skin
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26 Squalane
Emollient, softens and smooths skin
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
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Supporting ingredient
-
Chelator, binds stray metal ions to keep the formula stable
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Emollient, softens and smooths skin
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Preservative, keeps the formula from spoiling
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Emollient, softens and smooths skin
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Preservative, keeps the formula from spoiling
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33 Silica
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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Antioxidant, protects the formula and skin
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Antioxidant, protects the formula and skin
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Supporting ingredient
-
37 Iron Oxides
Colorant or pigment
- β 40 makeup-like collar marks (washable)
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38 Mica
Colorant or pigment
Is Peter Thomas Roth Max Mineral mineral or chemical?
It is a pure mineral sunscreen. It uses titanium dioxide and zinc oxide for broad-spectrum protection.
Does the Peter Thomas Roth Max Mineral Naked Broad Spectrum SPF 45 leave a white cast?
White cast is low, which is notable for a mineral formula. It also wears with a matte finish, though the texture is moderate in weight rather than ultralight.
Is it good for oily or acne-prone skin?
Yes. The matte finish suits oily skin, it does not sting, and it is low risk for breakouts. With an 81/100 score and good protection, it is a strong mineral pick.