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Amaterasun UV Sunscreen Serum SPF 50+ Pa++

Amaterasun SPF 50
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)
How we rate uv protection →
☢️

Health safety

Medium 50
  • +100 Starting score
  • −40 Homosalate at #4 (regulatory/evidence concern)
  • −10.5 Octocrylene at #3, stacked (regulatory/evidence concern)
How we rate health safety →
🤧

Allergens

Low 97
  • +100 Starting score
  • −3 Photoallergen-tail UV filters (Octocrylene)
How we rate allergens →
👻

White cast

Low 100
  • +100 Starting score
How we rate white cast →
🔥

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
How we rate eye sting →
🪨

Heavy feel

Low 98
  • +100 Starting score
  • −2 Cetyl Palmitate at #17, wax film
How we rate heavy feel →
🔴

Comedogenic

Low 100
  • +100 Starting score
How we rate comedogenic →
🍄

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)
How we rate fungal acne →
👕

Fabric stains

Low 85
  • +100 Starting score
  • −15 Octocrylene at #3, co-stains alongside avobenzone
How we rate fabric stains →
💧

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)
How we rate moisture →

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)
How we rate finish →
💄

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)
How we rate makeup base →
🌊

Water resistance

Not resistant
Non-water-resistantWater-resistant
  • +2 1 water-locking waxes
How we rate water resistance →

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.

  1. 1 Water

    Solvent base, the water phase

  2. Legacy UV filter (Octisalate), high in the list, a primary filter

    • ↑ 8 UV protection
    • ↑ 9 migrates into eyes with sweat
  3. 3 Octocrylene

    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
  4. 4 Homosalate

    Legacy UV filter (Homosalate)

    • ↑ 11.4 UV protection
    • ↑ 6 migrates into eyes with sweat
  5. 5 Glycerin

    Humectant, pulls water into the skin

    • 10 → nourishing the anchor humectant
  6. Humectant, pulls water into the skin

    • 1 → nourishing humectant polyol
  7. 7 Nylon-12

    Mattifying powder, absorbs oil and blurs the finish

    • light ← 5 sebum-absorbing powder
    • matte ← 6 sebum-absorbing powder
  8. Volatile silicone, flashes off for a light finish

    • light ← 2 volatile carrier, flashes off
    • matte ← 2 volatile carrier, flashes off
  9. 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)
  10. Emulsifier, keeps oil and water blended

    • ↑ 14 feeds malassezia
  11. Mattifying powder, absorbs oil and blurs the finish

    • light ← 3 sebum-absorbing powder
    • matte ← 3 sebum-absorbing powder
  12. 12 Silica

    Mattifying powder, absorbs oil and blurs the finish

    • light ← 3 sebum-absorbing powder
    • matte ← 3 sebum-absorbing powder
  13. 13 Phenoxyethanol

    Preservative, keeps the formula from spoiling

  14. 14 Ceteareth-20

    Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  15. 15 Ceteareth-12

    Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  16. Fatty alcohol, an emollient and thickener, not the drying kind

  17. 17 Cetyl Palmitate

    Emollient, softens and smooths skin

    • ↑ 2 wax film
    • ↑ 9 feeds malassezia
    • ↑ 2 wax water lock
  18. Emulsifier, keeps oil and water blended

  19. Emollient, softens and smooths skin

  20. Thickener and texture, structures the gel or cream

  21. 21 Triethanolamine

    pH adjuster

  22. Supporting ingredient

  23. pH adjuster

  24. Botanical extract

    • 1 → nourishing emollient lipid
    • 1 → dewy emollient lipid
    • ↑ 9 feeds malassezia
  25. Botanical extract

  26. Antioxidant, protects the formula and skin

  27. Botanical extract

  28. 28 Tocopherol

    Antioxidant, protects the formula and skin

  29. 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.

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