Piz Buin Ultra Light Dry Touch Sun Fluid Spf 30
80/100 overall score
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About this sunscreen
Piz Buin Ultra Light Dry Touch Sun Fluid SPF 30 is a hybrid fluid combining classic filters (Octocrylene, Ethylhexyl Salicylate, Butyl Methoxydibenzoylmethane) with the modern broad- spectrum filters Methylene Bis-Benzotriazolyl Tetramethylbutylphenol and Bis-Ethylhexyloxy- phenol Methoxyphenyl Triazine. It wears lightweight with a dry-touch, balanced finish and very low white cast, and is low on pore-clogging risk so it commonly suits acne-prone skin. It can sting somewhat near the eyes. With excellent protection and a score of 80.1, it is a strong everyday choice.
Ingredient & SPF scores
☀️
UV protection
Excellent
95
- +16 Octocrylene at #2, UV filter
- +7.6 Ethylhexyl Salicylate at #5, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #6, UV filter (UVA1 +15.2)
- +38.4 Methylene Bis-Benzotriazolyl Tetramethylbutylphenol at #12, UV filter (UVA1 +14.4)
- +28.8 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #13, UV filter (UVA1 +9.6)
- −11.2 UVB coverage saturated
- −13.9 UVA2 coverage saturated
- +1 Label claims (SPF 30)
☢️
Health safety
High
67
- +100 Starting score
- −30 Octocrylene at #2 (regulatory/evidence concern)
- −3.5 Avobenzone at #6, stacked (regulatory/evidence concern)
🤧
Allergens
Low
67
- +100 Starting score
- −18 Fragrance
- −12 Opaque "Fragrance", hidden allergens that can't be checked from the label
- −3 Photoallergen-tail UV filters (Octocrylene)
🔥
Eye sting
Medium
48
- +100 Starting score
- −16 Avobenzone at #6, migrates into eyes with sweat
- −22 Octocrylene at #2, migrates into eyes with sweat
- −6 Octisalate at #5, migrates into eyes with sweat
- −8 Fragrance
🍄
Fungal acne
Medium
64
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Lecithin)
- −27 3 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate, PEG-100 Stearate, PEG-8 Laurate)
👕
Fabric stains
High
30
- +100 Starting score
- −45 Avobenzone at #6, reacts with iron in wash water into rust-yellow stains
- −15 Octocrylene at #2, co-stains alongside avobenzone
- −10 Avobenzone + Octocrylene, the classic staining pair
💧
Moisture
Balanced
LightNourishing
- ← 8 2 sebum-absorbing powders (Silica, Methyl Methacrylate Crosspolymer)
- → 4 Glycerin at #10, the anchor humectant
✨
Finish
Balanced
MatteDewy
- ← 9 2 sebum-absorbing powders (Methyl Methacrylate Crosspolymer, Silica)
- → 9 1 emollient lipids (C12-15 Alkyl Benzoate)
💄
Makeup base
Good
PillsPrimer
- → 3 Primer-style base, volatile silicones and dimethicone slip
- → 6 2 soft-focus powders in moderation
- → 3 Dry-touch esters, smooth fast-absorbing base
- ← 0.5 Gel polymers prone to pilling under friction (Sodium Acrylates Copolymer)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +10 2 film-forming polymers that lock the formula on for water resistance
Skincare extras
Beneficial actives this formula contains. Informational only, not part of the rating: their effect depends on a concentration the label does not disclose.
- ✨ Vitamin E
Full ingredient list (34)
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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1 Water
Solvent base, the water phase
-
Legacy UV filter (Octocrylene), high in the list, a primary filter
- ↑ 16 UV protection
- ↑ 22 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
-
Emollient, softens and smooths skin
- 9 → dewy emollient lipid
-
Emollient, softens and smooths skin
-
Legacy UV filter (Octisalate)
- ↑ 7.6 UV protection
- ↑ 6 migrates into eyes with sweat
-
Legacy UV filter (Avobenzone)
- ↑ 28.5 UV protection, incl. long-UVA (UVA1)
- ↓ 3.5 stacked (regulatory/evidence concern)
- ↑ 16 migrates into eyes with sweat
- ↑ 45 reacts with iron in wash water into rust-yellow stains
-
Mattifying powder, absorbs oil and blurs the finish
- light ← 5 sebum-absorbing powder
- matte ← 6 sebum-absorbing powder
-
8 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 3 sebum-absorbing powder
- matte ← 3 sebum-absorbing powder
-
Humectant, pulls water into the skin
-
10 Glycerin
Humectant, pulls water into the skin
- 4 → nourishing the anchor humectant
-
Thickener and texture, structures the gel or cream
- ↑ 7 film former
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Modern UV filter, broad-spectrum and photostable (Tinosorb M), low in the list, likely a minor contributor
- ↑ 38.4 UV protection, incl. long-UVA (UVA1)
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Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- ↑ 28.8 UV protection, incl. long-UVA (UVA1)
-
Antioxidant, protects the formula and skin
-
Botanical extract
-
Preservative, keeps the formula from spoiling
-
17 Lecithin
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Humectant, pulls water into the skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emulsifier, keeps oil and water blended
-
Emulsifier, keeps oil and water blended
-
22 Linseed Acid
Supporting ingredient
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emulsifier, keeps oil and water blended
-
Thickener and texture, structures the gel or cream
- ↑ 3 film former
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Fatty alcohol, an emollient and thickener, not the drying kind
-
Emollient, softens and smooths skin
-
Thickener and texture, structures the gel or cream
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30 Xanthan Gum
Thickener and texture, structures the gel or cream
-
Chelator, binds stray metal ions to keep the formula stable
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Chelator, binds stray metal ions to keep the formula stable
-
Preservative, keeps the formula from spoiling
-
34 Fragrance
Fragrance
Is Piz Buin Ultra Light Dry Touch any good?
Yes, it scores 80.1 out of 100 with excellent protection at SPF 30. It wears lightweight with a dry-touch finish and is low on pore-clogging risk.
Does the Piz Buin Ultra Light Dry Touch Sun Fluid Spf 30 leave a white cast?
No, white cast is rated low. As a hybrid leaning chemical fluid with a dry-touch finish, it absorbs without a noticeable white film.
Is it good for oily or acne-prone skin?
It is a good match. The dry-touch, balanced finish suits oily skin, and the low pore- clogging profile commonly makes it acne-friendly. Note it can sting somewhat near the eyes.