Boots Soltan Kids Once 8hr Protect & Play SPF 30
80/100 overall score
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About this sunscreen
Boots Soltan Kids Once 8hr Protect and Play SPF 30 is a hybrid sunscreen pairing Titanium Dioxide with chemical filters such as Butyl Methoxydibenzoylmethane, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine. It finishes balanced with a low white cast and a lightweight feel, though it may sting sensitive eyes for some users. The low breakout-trigger reading suggests it is generally fine for blemish-prone skin. Scoring 80.4/100 with excellent protection, it is a dependable family sunscreen.
Ingredient & SPF scores
☀️
UV protection
Excellent
100
- +30 Butyl Methoxydibenzoylmethane at #3, UV filter (UVA1 +16)
- +45.6 Methylene Bis-Benzotriazolyl Tetramethylbutylphenol at #7, UV filter (UVA1 +17.1)
- +12.8 Octocrylene at #8, UV filter
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #12, UV filter (UVA1 +12.8)
- +4.8 Ethylhexyl Salicylate at #13, UV filter
- +19.8 Titanium Dioxide at #14, UV filter (UVA1 +3)
- +14.4 Diethylhexyl Butamido Triazone at #18, UV filter
- −32.4 UVB coverage saturated
- −29.5 UVA2 coverage saturated
- −3.9 UVA1 coverage saturated
- +1 Label claims (SPF 30)
☢️
Health safety
High
67
- +100 Starting score
- −30 Octocrylene at #8 (regulatory/evidence concern)
- −3.5 Avobenzone at #3, stacked (regulatory/evidence concern)
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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)
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White cast
Low
82
- +100 Starting score
- −6 Titanium Dioxide at #14
- −12 Tinosorb M at #7, may look bluish-grey on deeper skin tones
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Eye sting
Medium
60
- +100 Starting score
- −24 Avobenzone at #3, migrates into eyes with sweat
- −7 Octocrylene at #8, migrates into eyes with sweat
- −1 Octisalate at #13, migrates into eyes with sweat
- −8 Fragrance
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Fungal acne
Medium
65
- +100 Starting score
- −12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 20)
- −9 1 oils/butters that feed Malassezia (Vitis Vinifera Seed Oil)
- −14 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-3 Methylglucose Distearate)
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Fabric stains
High
23
- +100 Starting score
- −50 Avobenzone at #3, reacts with iron in wash water into rust-yellow stains
- −15 Octocrylene at #8, co-stains alongside avobenzone
- −10 Avobenzone + Octocrylene, the classic staining pair
- −2 Titanium Dioxide at #14, white marks, worst on dark fabric (washable)
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Moisture
Balanced
LightNourishing
- → 1 Glycerin at #30, the anchor humectant
- → 1 Humectant polyols
- → 1 1 emollient lipids (Vitis Vinifera Seed Oil)
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Makeup base
Okay
PillsPrimer
- → 1 Primer-style base, volatile silicones and dimethicone slip
🌊
Water resistance
Resistant
Non-water-resistantWater-resistant
- +13 1 film-forming polymers that lock the formula on for water resistance
Full ingredient list (38)
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
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Emollient, softens and smooths skin
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Legacy UV filter (Avobenzone), high in the list, a primary filter
- ↑ 30 UV protection, incl. long-UVA (UVA1)
- ↓ 3.5 stacked (regulatory/evidence concern)
- ↑ 24 migrates into eyes with sweat
- ↑ 50 reacts with iron in wash water into rust-yellow stains
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Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
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Film former, locks the formula onto skin for water resistance
- ↑ 13 film former
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Emollient, softens and smooths skin
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Modern UV filter, broad-spectrum and photostable (Tinosorb M)
- ↑ 45.6 UV protection, incl. long-UVA (UVA1)
- ↑ 12 may look bluish-grey on deeper skin tones
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Legacy UV filter (Octocrylene), low in the list, likely a minor contributor
- ↑ 12.8 UV protection
- ↑ 7 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
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Emollient, softens and smooths skin
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Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
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Supporting ingredient
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- ↑ 38.4 UV protection, incl. long-UVA (UVA1)
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Legacy UV filter (Octisalate), low in the list, likely a minor contributor
- ↑ 4.8 UV protection
- ↑ 1 migrates into eyes with sweat
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Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
- ↑ 19.8 UV protection, incl. long-UVA (UVA1)
- ↑ 2 white marks, worst on dark fabric (washable)
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Preservative, keeps the formula from spoiling
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16 Dimethiconol
Emollient, softens and smooths skin
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Emulsifier, keeps oil and water blended
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Modern UV filter, broad-spectrum and photostable (Iscotrizinol), low in the list, likely a minor contributor
- ↑ 14.4 UV protection
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19 Fragrance
Fragrance
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Emulsifier, keeps oil and water blended
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Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
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Antioxidant, protects the formula and skin
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24 Ethylparaben
Preservative, keeps the formula from spoiling
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Humectant, pulls water into the skin
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Botanical extract
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
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Thickener and texture, structures the gel or cream
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Supporting ingredient
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30 Glycerin
Humectant, pulls water into the skin
- 1 → nourishing the anchor humectant
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Emollient, softens and smooths skin
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Humectant, pulls water into the skin
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33 Hydroxide K
pH adjuster
-
Chelator, binds stray metal ions to keep the formula stable
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35 Xanthan Gum
Thickener and texture, structures the gel or cream
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Antioxidant, protects the formula and skin
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Botanical extract
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Supporting ingredient
Is Boots Soltan Kids SPF 30 good?
Yes. It scores 80.4/100 with an excellent protection rating, making it a dependable family sunscreen. The low breakout-trigger reading keeps it generally gentle on blemish-prone skin.
Does the Boots Soltan Kids Once 8hr Protect & Play SPF 30 leave a white cast?
No, it is rated low for white cast and finishes balanced, so it generally wears without a visible film.
Is it mineral or chemical?
It is a hybrid, pairing mineral Titanium Dioxide with chemical filters such as Butyl Methoxydibenzoylmethane, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine.