The Seaweed Bath Co. Everyday Mineral SPF 40 Lotion
66/100 overall score
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About this sunscreen
The Seaweed Bath Co. Everyday Mineral SPF 40 Lotion is a pure mineral sunscreen using Zinc Oxide as its only UV filter. It tends to show some white cast with a dewy finish and feels a touch heavier on skin, and it is a poor choice under makeup, though it is generally low risk for breakouts and does not tend to sting with sweat. As a single-filter mineral lotion the protection rates moderate. The score of 66.1/100 makes it a gentle everyday mineral pick for those who do not layer makeup over it.
Ingredient & SPF scores
βοΈ
UV protection
Moderate
42
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +1 Label claims (SPF 40)
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Allergens
Low
70
- +100 Starting score
- β18 Fragrance
- β1 1 declared fragrance allergens
- β11 Opaque "Fragrance", hidden allergens that can't be checked from the label
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White cast
Medium
49
- +100 Starting score
- β42 Zinc Oxide, 15% declared
- β15 Pure mineral formula (15% total declared)
- +5.7 PHSA dispersant, fights agglomeration
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Eye sting
Low
98
- +100 Starting score
- β8 Fragrance
- +6 Mineral filter system, low-sting filters
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Heavy feel
Medium
47
- +100 Starting score
- β30 Zinc Oxide, 15% declared
- β10 Butyrospermum Parkii Fruit at #6, butter/occlusive fat
- β2 Theobroma Cacao Seed Butter at #30, butter/occlusive fat
- β1 Coconut Oil at #13, heavy oil
- β10 Mineral suspended in a dense emollient base (basic)
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Comedogenic
Low
95
- +100 Starting score
- β2 Coconut Oil at #13, comedogenic oil/butter
- β2 Theobroma Cacao Seed Butter at #30, comedogenic oil/butter
- β1 Persea Gratissima Oil at #25, moderate comedogenic signal
- +0 Algae Extract at #2, disputed rating, watch if acne-prone
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Fungal acne
High
29
- +100 Starting score
- β12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Sorbitan Stearate)
- β50 5 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Persea Gratissima Oil, Coconut Oil)
- β9 1 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate)
- +0 Simmondsia Chinensis Seed Oil at #27, jojoba wax ester, fungal-acne exception (not penalized)
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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 1 Glycerin at #19, the anchor humectant
- β 9 6 emollient lipids (Helianthus Annuus Seed Oil, Simmondsia Chinensis Seed Oil, Persea Gratissima Oil, β¦)
- β 1 Light emollient/solvent (Caprylic/Capric Triglyceride)
- β 0.5 1 fatty-alcohol emollients (Cetearyl Alcohol)
β¨
Finish
Dewy
MatteDewy
- β 11 6 emollient lipids (Butyrospermum Parkii Fruit, Coconut Oil, Helianthus Annuus Seed Oil, β¦)
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Makeup base
Poor
PillsPrimer
- β 4 Occlusives/waxes float the foundation
- 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 βSkincare 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¨ Aloe vera
- β¨ Green tea
Full ingredient list (34)
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 42 15% declared
- β 30 15% 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
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Soothing, skin-conditioning active
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Preservative, keeps the formula from spoiling
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Emollient, softens and smooths skin
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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
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Botanical extract
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Emollient, softens and smooths skin
- 1 β nourishing light emollient
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Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 β nourishing fatty-alcohol emollient
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11 Citric Acid
pH adjuster
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Botanical extract
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13 Coconut Oil
Plant oil, an emollient
- β 1 heavy oil
- β 2 comedogenic oil/butter
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Botanical extract
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Emulsifier, keeps oil and water blended
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Preservative, keeps the formula from spoiling
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17 Dodecane
Supporting ingredient
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Botanical extract
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19 Glycerin
Humectant, pulls water into the skin
- 1 β nourishing the anchor humectant
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Thickener and texture, structures the gel or cream
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Supporting ingredient
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24 Fragrance
Fragrance
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Plant oil, an emollient
- β 1 moderate comedogenic signal
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Emollient, softens and smooths skin
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Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
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28 Propanediol
Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 12 feeds malassezia
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Botanical extract
- β 2 butter/occlusive fat
- β 2 comedogenic oil/butter
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 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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33 Water
Solvent base, the water phase
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34 Xanthan Gum
Thickener and texture, structures the gel or cream
Is The Seaweed Bath Co. Everyday Mineral SPF 40 mineral or chemical?
It is a pure mineral sunscreen using Zinc Oxide as its only UV filter. There are no chemical filters in the formula. That tends to suit those who prefer a mineral-only option.
Does The Seaweed Bath Co. Everyday Mineral SPF 40 leave a white cast?
It tends to show some white cast with a dewy finish, which is common for a zinc-based mineral lotion. It also feels a touch heavier on skin and is a poor choice under makeup. Rubbing in well helps reduce the cast.
Is The Seaweed Bath Co. Everyday Mineral SPF 40 any good?
It scores 66.1/100. As a single-filter mineral lotion the protection rates moderate, and it is best worn on its own rather than under makeup. It is generally low risk for breakouts and gentle, suiting a simple mineral routine.