Thinkbaby SPF 30 Sunscreen Stick
58/100 overall score
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About this sunscreen
Thinkbaby SPF 30 Sunscreen Stick is a mineral sunscreen using zinc oxide alone, which commonly gives broad-spectrum coverage. The stick leans dewy but feels heavy and shows a high white cast, which is typical of zinc sticks. It does not sting, though breakout risk is medium and it rates poorly as a makeup base. With moderate protection and a 58.3/100 score, it suits spot application and outdoor use more than daily face wear under makeup.
Ingredient & SPF scores
βοΈ
UV protection
Moderate
42
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +1 Label claims (SPF 30)
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Allergens
Low
92
- +100 Starting score
- β8 Essential oils (Citrus Sinensis Oil, Citrus Nobilis Oil, Citrus Paradisi Peel Oil)
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White cast
High
30
- +100 Starting score
- β55 Zinc Oxide, 20% declared
- β15 Pure mineral formula (20% total declared)
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Heavy feel
High
0
- +100 Starting score
- β40 Zinc Oxide, 20% declared
- β12 Cera Alba at #4, wax film
- β12 Copernicia Cerifera Wax at #6, wax film
- β10 Butyrospermum Parkii Fruit at #7, butter/occlusive fat
- β5 Theobroma Cacao Seed Butter at #12, butter/occlusive fat
- β10 Coconut Oil at #2, heavy oil
- β3 Ricinus Communis Seed Oil at #8, heavy oil
- β18 Mineral suspended in a dense emollient base (strong)
- β12 Stick/balm format with a wax skeleton
- +22 Penalties exceed the scale, floored at 0
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Comedogenic
Medium
55
- +100 Starting score
- β38 Coconut Oil at #2, comedogenic oil/butter
- β7 Theobroma Cacao Seed Butter at #12, comedogenic oil/butter
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Fungal acne
Medium
50
- +100 Starting score
- β50 5 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Coconut Oil, Butyrospermum Parkii Fruit)
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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 14 4 emollient lipids (Helianthus Annuus Seed Oil, Coconut Oil, Butyrospermum Parkii Fruit, β¦)
β¨
Finish
Dewy
MatteDewy
- β 20 4 emollient lipids (Coconut Oil, Helianthus Annuus Seed Oil, Butyrospermum Parkii Fruit, β¦)
- β 3 Occlusives seal moisture in (Ricinus Communis Seed Oil)
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Makeup base
Poor
PillsPrimer
- β 20 Occlusives/waxes float the foundation
- β 15 High mineral load at #1 greys under foundation
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Water resistance
Resistant
Non-water-resistantWater-resistant
- +14 2 water-locking waxes
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.
- β¨ Vitamin E
- β¨ Aloe vera
Full ingredient list (24)
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 55 20% declared
- β 40 20% declared
- 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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Plant oil, an emollient
- β 10 heavy oil
- β 38 comedogenic oil/butter
- 6 β nourishing emollient lipid
- 9 β dewy emollient lipid
- β 36 feeds malassezia
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Botanical extract
- 6 β nourishing emollient lipid
- 9 β dewy emollient lipid
- β 36 feeds malassezia
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Occlusive, seals moisture into the skin
- β 12 wax film
- β 7 wax water lock
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Occlusive, seals moisture into the skin
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Occlusive, seals moisture into the skin
- β 12 wax film
- β 7 wax water lock
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Botanical extract
- β 10 butter/occlusive fat
- 4 β nourishing emollient lipid
- 6 β dewy emollient lipid
- β 24 feeds malassezia
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Botanical extract
- β 3 heavy oil
- 3 β dewy occlusive
- β 14 feeds malassezia
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Antioxidant, protects the formula and skin
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Emollient, softens and smooths skin
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Plant oil, an emollient
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Botanical extract
- β 5 butter/occlusive fat
- β 7 comedogenic oil/butter
- 2 β nourishing emollient lipid
- 3 β dewy emollient lipid
- β 14 feeds malassezia
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Soothing, skin-conditioning active
-
Supporting ingredient
-
Supporting ingredient
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Plant oil, an emollient
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Plant oil, an emollient
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18 Vanillin
Supporting ingredient
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Supporting ingredient
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Supporting ingredient
-
Supporting ingredient
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22 Maltol
Supporting ingredient
-
Supporting ingredient
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Supporting ingredient
Does Thinkbaby Sunscreen Stick leave a white cast?
Yes, white cast is rated high, which is typical of zinc oxide sticks. It also feels heavy, so it suits outdoor and spot use more than everyday face wear.
Is the Thinkbaby SPF 30 Sunscreen Stick good under makeup or for acne-prone skin?
Not ideal. It rates poorly as a makeup base, breakout risk is medium, and the texture is heavy, so it is better for direct outdoor protection than layering.
Is it mineral or chemical?
It is mineral, using zinc oxide alone, which commonly gives broad-spectrum coverage.