Amaterasun UV Sunscreen Serum SPF 50+ Pa++
73/100 overall score
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About this sunscreen
Amaterasun UV Sunscreen Serum SPF 50+ Pa++ is a hybrid chemical serum that includes the modern filter Tinosorb S alongside ethylhexyl salicylate, octocrylene, and homosalate. It has a matte finish, stays lightweight, shows low white cast, and does not generally sting, making it a clean makeup base. With a score of 72.7 and good protection, it is a comfortable, well-rounded daily serum.
Ingredient & SPF scores
☀️
UV protection
Good
56
- +8 Ethylhexyl Salicylate at #2, UV filter
- +16 Octocrylene at #3, UV filter
- +11.4 Homosalate at #4, UV filter
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #9, UV filter (UVA1 +12.8)
- −13.8 UVB coverage saturated
- ×0.9 Limited long-UVA1 coverage
- +2 Label claims (SPF 50)
☢️
Health safety
Medium
50
- +100 Starting score
- −40 Homosalate at #4 (regulatory/evidence concern)
- −10.5 Octocrylene at #3, stacked (regulatory/evidence concern)
🤧
Allergens
Low
97
- +100 Starting score
- −3 Photoallergen-tail UV filters (Octocrylene)
🔥
Eye sting
Low
63
- +100 Starting score
- −22 Octocrylene at #3, migrates into eyes with sweat
- −6 Homosalate at #4, migrates into eyes with sweat
- −9 Octisalate at #2, migrates into eyes with sweat
🪨
Heavy feel
Low
98
- +100 Starting score
- −2 Cetyl Palmitate at #17, wax film
🍄
Fungal acne
Medium
50
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil)
- −41 4 long-chain (C12+) esters that feed Malassezia (Cetyl Palmitate, Glyceryl Stearate, Ceteareth-20)
👕
Fabric stains
Low
85
- +100 Starting score
- −15 Octocrylene at #3, co-stains alongside avobenzone
💧
Moisture
Balanced
LightNourishing
- ← 11 3 sebum-absorbing powders (Silica, Polymethyl Methacrylate, Nylon-12)
- ← 2 Volatile carriers flash off, leaving a dry finish
- → 10 Glycerin at #5, the anchor humectant
- → 1 Humectant polyols
- → 1 1 emollient lipids (Helianthus Annuus Seed Oil)
✨
Finish
Matte
MatteDewy
- ← 12 3 sebum-absorbing powders (Nylon-12, Polymethyl Methacrylate, Silica)
- ← 2 Volatile carriers flash off, leaving a dry finish
- → 1 1 emollient lipids (Helianthus Annuus Seed Oil)
💄
Makeup base
Good
PillsPrimer
- → 2 Primer-style base, volatile silicones and dimethicone slip
- → 8 1 velvet elastomer fillers, blur and grip
- → 6 3 soft-focus powders in moderation
- ← 0.5 Gel polymers prone to pilling under friction (Acrylates/C10-30 Alkyl Acrylate Crosspolymer)
- ← 1.5 Humectant syrup tackiness (partly offset by the base)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +2 1 water-locking waxes
Full ingredient list (29)
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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1 Water
Solvent base, the water phase
-
Legacy UV filter (Octisalate), high in the list, a primary filter
- ↑ 8 UV protection
- ↑ 9 migrates into eyes with sweat
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Legacy UV filter (Octocrylene), high in the list, a primary filter
- ↑ 16 UV protection
- ↓ 10.5 stacked (regulatory/evidence concern)
- ↑ 22 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
-
Legacy UV filter (Homosalate)
- ↑ 11.4 UV protection
- ↑ 6 migrates into eyes with sweat
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5 Glycerin
Humectant, pulls water into the skin
- 10 → nourishing the anchor humectant
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Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
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7 Nylon-12
Mattifying powder, absorbs oil and blurs the finish
- light ← 5 sebum-absorbing powder
- matte ← 6 sebum-absorbing powder
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Volatile silicone, flashes off for a light finish
- light ← 2 volatile carrier, flashes off
- matte ← 2 volatile carrier, flashes off
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Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- ↑ 38.4 UV protection, incl. long-UVA (UVA1)
-
Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
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Mattifying powder, absorbs oil and blurs the finish
- light ← 3 sebum-absorbing powder
- matte ← 3 sebum-absorbing powder
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12 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 3 sebum-absorbing powder
- matte ← 3 sebum-absorbing powder
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Preservative, keeps the formula from spoiling
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14 Ceteareth-20
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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15 Ceteareth-12
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Fatty alcohol, an emollient and thickener, not the drying kind
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Emollient, softens and smooths skin
- ↑ 2 wax film
- ↑ 9 feeds malassezia
- ↑ 2 wax water lock
-
Emulsifier, keeps oil and water blended
-
Emollient, softens and smooths skin
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Thickener and texture, structures the gel or cream
-
pH adjuster
-
Supporting ingredient
-
pH adjuster
-
Botanical extract
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
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Botanical extract
-
Antioxidant, protects the formula and skin
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Botanical extract
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28 Tocopherol
Antioxidant, protects the formula and skin
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Botanical extract
Is Amaterasun UV Sunscreen Serum good for oily or acne-prone skin?
It is a good fit. The finish is matte, it stays lightweight, and the breakout-trigger rating is low, so it is generally friendly to oily and acne-prone skin.
Does the Amaterasun UV Sunscreen Serum SPF 50+ Pa++ leave a white cast?
No, white cast is rated low. As a chemical-leaning hybrid serum, it generally applies clear.
How good is it overall?
It scores 72.7 with good UV protection. With the modern filter Tinosorb S in the mix and a clean matte finish, it is a comfortable, well-rounded daily serum.