Laboratoires de Biarritz Alga Maris Sun Lotion SPF 50
70/100 overall score
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Ingredient & SPF scores
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UV protection
Good
74
- +41 Zinc Oxide at #2, UV filter (UVA1 +18)
- +31.4 Titanium Dioxide at #5, UV filter (UVA1 +4.8)
- β0.4 UVA2 coverage saturated
- +2 Label claims (SPF 50)
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White cast
High
7
- +100 Starting score
- β55 Zinc Oxide at #2
- β35 Titanium Dioxide at #5
- β10 Zinc Oxide + Titanium Dioxide together
- β15 Pure mineral formula
- +15 Penalties exceed the scale, floored at 0
- +7 Coated minerals (Alumina)
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Heavy feel
High
23
- +100 Starting score
- β40 Zinc Oxide at #2
- β16 Titanium Dioxide at #5
- β10 Butyrospermum Parkii Fruit at #7, butter/occlusive fat
- β5 Hydrogenated Vegetable Oil at #9, butter/occlusive fat
- β10 Coconut Oil at #3, heavy oil
- β10 Mineral suspended in a dense emollient base (basic)
- +13.7 Volatile hydrocarbon at #4, flashes off
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Comedogenic
Low
62
- +100 Starting score
- β38 Coconut Oil at #3, comedogenic oil/butter
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Fungal acne
High
0
- +100 Starting score
- β50 3 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Coconut Oil, Butyrospermum Parkii Fruit)
- β38 2 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-2 Dipolyhydroxystearate, Polyglyceryl-3 Diisostearate)
- β5 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
- β10 2 different Malassezia-feeding families high in the list
- +0 Caprylic/Capric Triglyceride at #1, a safe base that does not feed Malassezia
- +3 Penalties exceed the scale, floored at 0
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Fabric stains
Low
80
- +100 Starting score
- β15 Zinc Oxide at #2, white marks, worst on dark fabric (washable)
- β5 Both minerals present, heavier deposit
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Moisture
Balanced
LightNourishing
- β 3 1 sebum-absorbing powders (Lauroyl Lysine)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 5 Zinc Oxide at #2, mild sebum absorbent
- β 11 3 emollient lipids (Helianthus Annuus Seed Oil, Coconut Oil, Butyrospermum Parkii Fruit)
- β 4 Light emollient/solvent (Caprylic/Capric Triglyceride)
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Finish
Dewy
MatteDewy
- β 3 1 sebum-absorbing powders (Lauroyl Lysine)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 16 3 emollient lipids (Coconut Oil, Butyrospermum Parkii Fruit, Helianthus Annuus Seed Oil)
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Makeup base
Poor
PillsPrimer
- β 3 Quick-setting carrier, fast, even canvas
- β 13 Occlusives/waxes float the foundation
- β 15 High mineral load at #2 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 βFull ingredient list (20)
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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Emollient, softens and smooths skin
- 4 β nourishing light emollient
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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 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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Volatile hydrocarbon, flashes off for a light finish
- light β 4 volatile carrier, flashes off
- matte β 4 volatile carrier, flashes off
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Mineral UV filter (Titanium Dioxide)
- β 31.4 UV protection, incl. long-UVA (UVA1)
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Emulsifier, keeps oil and water blended
- β 24 feeds malassezia
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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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Emulsifier, keeps oil and water blended
- β 14 feeds malassezia
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Plant oil, an emollient
- β 5 butter/occlusive fat
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Mattifying powder, absorbs oil and blurs the finish
- light β 3 sebum-absorbing powder
- matte β 3 sebum-absorbing powder
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11 Alumina
Supporting ingredient
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12 Stearic Acid
Emollient, softens and smooths skin
- β 5 minor malassezia feeder
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Emollient, softens and smooths skin
-
Emollient, softens and smooths skin
-
Botanical extract
-
16 Propanediol
Humectant, pulls water into the skin
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17 Water
Solvent base, the water phase
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18 Tocopherol
Antioxidant, protects the formula and skin
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Emulsifier, keeps oil and water blended
-
Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia