Just Sun All-natural Mineral Sunscreen SPF 30
67/100 overall score
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About this sunscreen
Just Sun All-Natural Mineral Sunscreen SPF 30 is a zinc oxide mineral sunscreen. It has a dewy finish but wears heavy, with a medium chance of white cast, and it rates poor as a base under makeup. Sweat-sting is low and pore-clogging risk is low, so it is gentle on sensitive skin. With moderate protection and a score of 67/100, it suits those wanting an all-mineral formula who do not need it to layer under makeup.
Ingredient & SPF scores
☀️
UV protection
Moderate
42
- +41 Zinc Oxide at #3, UV filter (UVA1 +18)
- +1 Label claims (SPF 30)
👻
White cast
Medium
37
- +100 Starting score
- −55 Zinc Oxide at #3
- −15 Pure mineral formula
- +7 PHSA dispersant, fights agglomeration
🪨
Heavy feel
High
20
- +100 Starting score
- −40 Zinc Oxide at #3
- −12 Cera Alba at #4, wax film
- −10 Butyrospermum Parkii Fruit at #5, butter/occlusive fat
- −18 Mineral suspended in a dense emollient base (strong)
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Fungal acne
Medium
62
- +100 Starting score
- −38 2 oils/butters that feed Malassezia (Argania Spinosa Kernel Oil, Butyrospermum Parkii Fruit)
- +0 Caprylic/Capric Triglyceride at #1, a safe base that does not feed Malassezia
👕
Fabric stains
Low
85
- +100 Starting score
- −15 Zinc Oxide at #3, white marks, worst on dark fabric (washable)
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Moisture
Balanced
LightNourishing
- ← 5 Zinc Oxide at #3, mild sebum absorbent
- → 6 2 emollient lipids (Argania Spinosa Kernel Oil, Butyrospermum Parkii Fruit)
- → 4 Light emollient/solvent (Caprylic/Capric Triglyceride)
✨
Finish
Dewy
MatteDewy
- → 9 2 emollient lipids (Butyrospermum Parkii Fruit, Argania Spinosa Kernel Oil)
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Makeup base
Poor
PillsPrimer
- ← 8 Occlusives/waxes float the foundation
- ← 15 High mineral load at #3 greys under foundation
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +7 1 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.
- ✨ Vitamin E
- ✨ Aloe vera
Full ingredient list (14)
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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Emollient, softens and smooths skin
- 4 → nourishing light emollient
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Plant oil, an emollient
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Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- ↑ 41 UV protection, incl. long-UVA (UVA1)
- ↑ 15 white marks, worst on dark fabric (washable)
- light ← 5 mild sebum absorbent
- pills ← 15 High mineral load greys under foundation
-
Occlusive, seals moisture into the skin
- ↑ 12 wax film
- ↑ 7 wax water lock
-
Botanical extract
- ↑ 10 butter/occlusive fat
- 4 → nourishing emollient lipid
- 6 → dewy emollient lipid
- ↑ 24 feeds malassezia
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Occlusive, seals moisture into the skin
-
Emollient, softens and smooths skin
-
Plant oil, an emollient
- 2 → nourishing emollient lipid
- 3 → dewy emollient lipid
- ↑ 14 feeds malassezia
-
9 Mica
Colorant or pigment
-
Botanical extract
-
Botanical extract
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12 Tocopherol
Antioxidant, protects the formula and skin
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Botanical extract
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Soothing, skin-conditioning active
Does Just Sun All-Natural Mineral Sunscreen leave a white cast?
It has a medium chance of white cast, which is common for zinc oxide mineral sunscreens. Work it in well to reduce any whitening.
Is the Just Sun All-natural Mineral Sunscreen SPF 30 mineral or chemical?
It is fully mineral, using zinc oxide as its only UV filter, so it suits those wanting an all-mineral formula.
Does it work under makeup?
It rates poor as a makeup base and wears heavy, so it is better worn on its own than layered under makeup. It does score 67/100 with moderate protection.