Skin Laundry Sun Defense Mineral SPF 30 Sunscreen
71/100 overall score
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About this sunscreen
Skin Laundry Sun Defense Mineral is an SPF 30 pure mineral sunscreen filtered with Zinc Oxide alone. It has a balanced finish and is low on breakout risk, but the all-zinc formula can leave a moderate white cast and is generally a poor base under makeup. Protection is moderate and the score is 71.3/100, a fair single-filter mineral choice for sensitive skin.
Ingredient & SPF scores
☀️
UV protection
Moderate
42
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +1 Label claims (SPF 30)
👻
White cast
Medium
49
- +100 Starting score
- −42 Zinc Oxide, 18.2% declared
- −15 Pure mineral formula (18.2% total declared)
- +5.7 PHSA dispersant, fights agglomeration
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Fungal acne
Medium
73
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Lecithin)
- −18 2 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-3 Polyricinoleate, Polyglyceryl-3 Lactate/Laurate)
- +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
- −15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
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Moisture
Balanced
LightNourishing
- ← 5 Zinc Oxide at #1, mild sebum absorbent
- → 1 1 strong humectants (Inositol)
- → 2 Humectant polyols
- → 4 Light emollient/solvent (Caprylic/Capric Triglyceride)
- → 0.5 1 fatty-alcohol emollients (Cetearyl Alcohol)
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Makeup base
Poor
PillsPrimer
- ← 4 Gel polymers prone to pilling under friction (Polyacrylate Crosspolymer-6)
- ← 15 High mineral load at #1 greys under foundation
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance →Full ingredient list (34)
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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Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- ↑ 41 UV protection, incl. long-UVA (UVA1)
- ↑ 42 18.2% declared
- ↑ 30 18.2% declared
- ↑ 15 white marks, worst on dark fabric (washable)
- light ← 5 mild sebum absorbent
- pills ← 15 High mineral load greys under foundation
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2 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
- 4 → nourishing light emollient
-
Emollient, softens and smooths skin
-
Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
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Emollient, softens and smooths skin
-
Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
-
Emollient, softens and smooths skin
-
Supporting ingredient
-
Thickener and texture, structures the gel or cream
-
Emollient, softens and smooths skin
-
Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 → nourishing fatty-alcohol emollient
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13 Inositol
Humectant, pulls water into the skin
- 1 → nourishing humectant
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Emollient, softens and smooths skin
-
15 Lecithin
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emulsifier, keeps oil and water blended
-
Fatty alcohol, an emollient and thickener, not the drying kind
-
Humectant, pulls water into the skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Preservative, keeps the formula from spoiling
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22 Tocopherol
Antioxidant, protects the formula and skin
-
23 Xanthan Gum
Thickener and texture, structures the gel or cream
-
24 Bisabolol
Soothing, skin-conditioning active
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Fatty alcohol, an emollient and thickener, not the drying kind
-
pH adjuster
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Thickener and texture, structures the gel or cream
-
Emulsifier, keeps oil and water blended
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30 Citric Acid
pH adjuster
-
Botanical extract
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Chelator, binds stray metal ions to keep the formula stable
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Chelator, binds stray metal ions to keep the formula stable
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Antioxidant, protects the formula and skin
Does Skin Laundry Sun Defense Mineral leave a white cast?
It can leave a moderate white cast, since it is filtered entirely with Zinc Oxide. The cast is its main cosmetic drawback.
Is the Skin Laundry Sun Defense Mineral SPF 30 Sunscreen mineral or chemical?
It is a pure mineral sunscreen, using only Zinc Oxide with no chemical filters.
Is it good under makeup?
It is generally a poor base under makeup. It scores 71.3/100 overall, a fair single-filter mineral choice for sensitive skin.