Thinkbaby Mineral Baby Sunscreen SPF 50
69/100 overall score
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About this sunscreen
Thinkbaby Mineral Baby Sunscreen SPF 50 is a zinc-oxide-only mineral sunscreen aimed at babies and sensitive skin. It has a balanced finish and does not sting, with low breakout risk, but like most pure mineral formulas it shows a visible white cast and carries a medium, somewhat heavier feel that does not suit makeup well. Protection is moderate, and with a score of 69.3 it is a gentle, fragrance-conscious choice where white cast is acceptable.
Ingredient & SPF scores
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UV protection
Moderate
43
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +2 Label claims (SPF 50)
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White cast
High
30
- +100 Starting score
- β55 Zinc Oxide at #1
- β15 Pure mineral formula
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Heavy feel
Medium
58
- +100 Starting score
- β40 Zinc Oxide at #1
- β2 Hydrogenated Castor Oil at #14, butter/occlusive fat
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Comedogenic
Low
99
- +100 Starting score
- β1 Olea Europaea Fruit Oil at #20, moderate comedogenic signal
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Fungal acne
High
37
- +100 Starting score
- β12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Sorbitan Sesquioleate)
- β27 3 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Olea Europaea Fruit Oil, Hydrogenated Castor Oil)
- β24 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-4 Isostearate)
- +0 Simmondsia Chinensis Seed Oil at #18, jojoba wax ester, fungal-acne exception (not penalized)
- +0 Caprylic/Capric Triglyceride at #3, a safe base that does not feed Malassezia
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Fabric stains
Low
85
- +100 Starting score
- β15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
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Moisture
Hydrating
LightNourishing
- β 5 Zinc Oxide at #1, mild sebum absorbent
- β 10 Glycerin at #7, the anchor humectant
- β 2 Hyaluronic Acid at #21, hyaluronic family
- β 3 3 emollient lipids (Helianthus Annuus Seed Oil, Simmondsia Chinensis Seed Oil, Olea Europaea Fruit Oil)
- β 4 Light emollient/solvent (Caprylic/Capric Triglyceride)
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Finish
Balanced
MatteDewy
- β 3 3 emollient lipids (Helianthus Annuus Seed Oil, Simmondsia Chinensis Seed Oil, Olea Europaea Fruit Oil)
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Makeup base
Poor
PillsPrimer
- β 3 Humectant syrup tackiness
- 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 βFull ingredient list (21)
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 (Zinc Oxide), high in the list, a primary filter
- β 41 UV protection, incl. long-UVA (UVA1)
- β 15 white marks, worst on dark fabric (washable)
- light β 5 mild sebum absorbent
- pills β 15 High mineral load greys under foundation
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2 Water
Solvent base, the water phase
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Emollient, softens and smooths skin
- 4 β nourishing light emollient
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Emulsifier, keeps oil and water blended
- β 24 feeds malassezia
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Emollient, softens and smooths skin
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Emollient, softens and smooths skin
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7 Glycerin
Humectant, pulls water into the skin
- 10 β nourishing the anchor humectant
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Supporting ingredient
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Emollient, softens and smooths skin
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Thickener and texture, structures the gel or cream
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Chelator, binds stray metal ions to keep the formula stable
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Emollient, softens and smooths skin
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13 Glycerin
Humectant, pulls water into the skin
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Plant oil, an emollient
- β 2 butter/occlusive fat
- β 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Botanical extract
-
Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
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19 Tocopherol
Antioxidant, protects the formula and skin
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Botanical extract
- β 1 moderate comedogenic signal
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
Does Thinkbaby Mineral Baby Sunscreen SPF 50 leave a white cast?
Yes, it shows a visible white cast. It is a zinc-oxide-only mineral formula, which commonly leaves residue, more noticeably on deeper skin tones.
Is the Thinkbaby Mineral Baby Sunscreen SPF 50 good for sensitive or baby skin?
It is generally gentle, with low breakout risk and no sting, and zinc oxide is a filter commonly chosen for babies. Protection is moderate and it scores 69.3.
Is it mineral or chemical?
It is a pure mineral sunscreen using zinc oxide as its only UV filter.