Thinkbaby Think, Thinkbaby, Sunscreen Stick, Spf 30
59/100 overall score
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About this sunscreen
Thinkbaby Sunscreen Stick SPF 30 is a 100% mineral formula from Thinkbaby, using zinc oxide as its only UV filter. The stick format leans dewy but sits heavy on skin and tends to leave a visible white cast, so it does not work well under makeup. It does not sting, which suits sensitive use, yet with moderate protection and an overall score of 59 it reads as a basic mineral option rather than a standout.
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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White cast
High
30
- +100 Starting score
- β55 Zinc Oxide, 20% declared
- β15 Pure mineral formula (20% total declared)
πͺ¨
Heavy feel
High
0
- +100 Starting score
- β40 Zinc Oxide, 20% declared
- β12 Cera Alba at #4, wax film
- β12 Copernicia Cerifera Wax at #7, wax film
- β5 Butyrospermum Parkii Fruit at #8, butter/occlusive fat
- β5 Theobroma Cacao Seed Butter at #9, butter/occlusive fat
- β6 Ricinus Communis Seed Oil at #6, heavy oil
- β18 Mineral suspended in a dense emollient base (strong)
- β12 Stick/balm format with a wax skeleton
- +10 Penalties exceed the scale, floored at 0
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Comedogenic
Medium
55
- +100 Starting score
- β7 Theobroma Cacao Seed Butter at #9, comedogenic oil/butter
- β38 Cocos Nucifera at #3, comedogenic oil/butter
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Fungal acne
Medium
50
- +100 Starting score
- β50 4 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Butyrospermum Parkii Fruit, Theobroma Cacao Seed Butter)
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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
Balanced
LightNourishing
- β 5 Zinc Oxide at #1, mild sebum absorbent
- β 10 3 emollient lipids (Helianthus Annuus Seed Oil, Butyrospermum Parkii Fruit, Theobroma Cacao Seed Butter)
β¨
Finish
Dewy
MatteDewy
- β 15 3 emollient lipids (Helianthus Annuus Seed Oil, Butyrospermum Parkii Fruit, Theobroma Cacao Seed Butter)
- β 5 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 (11)
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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Botanical extract
- 6 β nourishing emollient lipid
- 9 β dewy emollient lipid
- β 36 feeds malassezia
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Supporting ingredient
- β 38 comedogenic oil/butter
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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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Botanical extract
- β 6 heavy oil
- 5 β dewy occlusive
- β 24 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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Botanical extract
- β 5 butter/occlusive fat
- 2 β nourishing emollient lipid
- 3 β dewy emollient lipid
- β 14 feeds malassezia
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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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10 Tocopherol
Antioxidant, protects the formula and skin
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Soothing, skin-conditioning active
Does the Thinkbaby Sunscreen Stick SPF 30 leave a white cast?
It can. This is a 100% mineral stick using zinc oxide, and the rating flags a visible white cast, so lighter to medium skin tones may notice it. The dewy stick format also sits fairly heavy, so blend it in well.
Is the Thinkbaby Think, Thinkbaby, Sunscreen Stick, Spf 30 mineral or chemical?
It is fully mineral. Zinc oxide is the only UV filter, with no chemical filters in the formula, which makes it a common choice for those who prefer a mineral-only sunscreen.
Is the Thinkbaby stick any good?
It is a basic mineral option, scoring 59 out of 100. Protection is moderate for SPF 30 and it does not sting, but the heavy feel, white cast and poor makeup compatibility hold it back.