Kate Somerville Uncomplikated Spf 50
61/100 overall score
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About this sunscreen
Kate Somerville UncompliKated SPF 50 is a chemical sunscreen on an older filter set including Homosalate, Octocrylene, Benzophenone-3 and Butyl Methoxydibenzoylmethane. It has a matte finish, leaves little white cast, feels lightweight and works well under makeup, but it carries a medium stinging risk that can bother sensitive eyes. Protection is rated good. The older filter blend pulls the score down to about 61 out of 100.
Ingredient & SPF scores
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UV protection
Good
63
- +11.4 Homosalate at #4, UV filter
- +15.2 Octocrylene at #5, UV filter
- +7.6 Ethylhexyl Salicylate at #7, UV filter
- +17.6 Benzophenone-3 at #8, UV filter
- +24 Butyl Methoxydibenzoylmethane at #9, UV filter (UVA1 +12.8)
- β6.4 UVB coverage saturated
- β1.6 UVA2 coverage saturated
- Γ0.9 Limited long-UVA1 coverage
- +2 Label claims (SPF 50)
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Health safety
Low
2
- +100 Starting score
- β70 Oxybenzone at #8 (regulatory/evidence concern)
- β14 Homosalate at #4, stacked (regulatory/evidence concern)
- β10.5 Octocrylene at #5, stacked (regulatory/evidence concern)
- β3.5 Avobenzone at #9, stacked (regulatory/evidence concern)
- +0 2 endocrine-scrutinized filters together
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Allergens
Low
87
- +100 Starting score
- β2 2 declared fragrance allergens
- β2 Essential oils (Lavandula Angustifolia Oil)
- β9 Photoallergen-tail UV filters (Benzophenone-3, Octocrylene)
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Eye sting
Medium
33
- +100 Starting score
- β8 Avobenzone at #9, migrates into eyes with sweat
- β15 Octocrylene at #5, migrates into eyes with sweat
- β5 Oxybenzone at #8, migrates into eyes with sweat
- β6 Homosalate at #4, migrates into eyes with sweat
- β6 Octisalate at #7, migrates into eyes with sweat
- β18 Volatile alcohol at #1
- β5 Alcohol high up speeds filter migration
- β4 2 declared fragrance allergens
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Fabric stains
High
17
- +100 Starting score
- β38 Avobenzone at #9, reacts with iron in wash water into rust-yellow stains
- β20 Oxybenzone at #8, yellow stains on white cotton
- β15 Octocrylene at #5, co-stains alongside avobenzone
- β10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Light
LightNourishing
- β 22 Volatile alcohol at #1
- β 1.5 1 sebum-absorbing powders (Silica Silylate)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 2 Hydrolyzed Hyaluronic Acid at #13, hyaluronic family
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Finish
Matte
MatteDewy
- β 1 1 sebum-absorbing powders (Silica Silylate)
- β 4 Volatile carriers flash off, leaving a dry finish
- β 5 Volatile alcohol at #1
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Makeup base
Good
PillsPrimer
- β 12 Quick-setting carrier (alcohol at #1), fast, even canvas
- β 2 Gel polymers prone to pilling under friction (PVP)
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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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Volatile alcohol, a drying solvent that can sting eyes
- β 5 Alcohol high up speeds filter migration
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Volatile hydrocarbon, flashes off for a light finish
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3 Propane
Volatile hydrocarbon, flashes off for a light finish
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Legacy UV filter (Homosalate)
- β 11.4 UV protection
- β 14 stacked (regulatory/evidence concern)
- β 6 migrates into eyes with sweat
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Legacy UV filter (Octocrylene)
- β 15.2 UV protection
- β 10.5 stacked (regulatory/evidence concern)
- β 15 migrates into eyes with sweat
- β 15 co-stains alongside avobenzone
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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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Legacy UV filter (Octisalate)
- β 7.6 UV protection
- β 6 migrates into eyes with sweat
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Legacy UV filter (Oxybenzone), low in the list, likely a minor contributor
- β 17.6 UV protection
- β 5 migrates into eyes with sweat
- β 20 yellow stains on white cotton
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Legacy UV filter (Avobenzone), low in the list, likely a minor contributor
- β 24 UV protection, incl. long-UVA (UVA1)
- β 3.5 stacked (regulatory/evidence concern)
- β 8 migrates into eyes with sweat
- β 38 reacts with iron in wash water into rust-yellow stains
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Filter booster, photostabilizes the UV filters or lifts their SPF
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11 PVP
Film former, locks the formula onto skin for water resistance
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Supporting ingredient
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
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Botanical extract
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15 Water
Solvent base, the water phase
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Plant oil, an emollient
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Mattifying powder, absorbs oil and blurs the finish
- light β 1.5 sebum-absorbing powder
- matte β 1 sebum-absorbing powder
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Humectant, pulls water into the skin
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19 Linalool
Fragrance component, a declared allergen
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20 Limonene
Fragrance component, a declared allergen
Is Kate Somerville UncompliKated SPF 50 good under makeup?
Yes. It has a matte finish, leaves little white cast and is rated as a good makeup base, so it commonly works well under foundation.
Does the Kate Somerville Uncomplikated Spf 50 sting the eyes?
It carries a medium stinging risk, so it may bother sensitive eyes. People sensitive to that may prefer a gentler formula.
Is Kate Somerville UncompliKated SPF 50 any good?
It scores about 61 out of 100. Protection is rated good, but the older filter set, including Benzophenone-3, pulls the rating down.