Amaterasun UV Waterbarrier SPF 35 Pa++++
66/100 overall score
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About this sunscreen
Amaterasun UV Waterbarrier SPF 35 PA++++ is a chemical sunscreen on an older-school base of Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, and Octocrylene. It gives a matte finish with a low white cast and a lightweight feel, and does not commonly sting the eyes. The low breakout-trigger reading suggests it is generally workable for blemish-prone skin. With a 65.7/100 score and moderate protection, it is a middling daily option.
Ingredient & SPF scores
☀️
UV protection
Moderate
42
- +28.5 Butyl Methoxydibenzoylmethane at #4, UV filter (UVA1 +15.2)
- +17.1 Ethylhexyl Methoxycinnamate at #5, UV filter
- +12.8 Octocrylene at #9, UV filter
- ×0.9 Limited long-UVA1 coverage
- ×0.75 Avobenzone + octinoxate degrade each other in sunlight
- +3 Label claims (SPF 35, PA rating)
☢️
Health safety
Medium
50
- +100 Starting score
- −36 Octinoxate at #5 (regulatory/evidence concern)
- −10.5 Octocrylene at #9, stacked (regulatory/evidence concern)
- −3.5 Avobenzone at #4, stacked (regulatory/evidence concern)
🤧
Allergens
Low
97
- +100 Starting score
- −3 Photoallergen-tail UV filters (Octocrylene)
🔥
Eye sting
Low
66
- +100 Starting score
- −16 Avobenzone at #4, migrates into eyes with sweat
- −7 Octocrylene at #9, migrates into eyes with sweat
- −11 Octinoxate at #5, migrates into eyes with sweat
🪨
Heavy feel
Low
95
- +100 Starting score
- −5 Cetyl Alcohol at #6, rich gel-network thickener
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Fungal acne
High
17
- +100 Starting score
- −24 2 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 80, Sorbitan Oleate)
- −32 3 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil, Lecithin, Hydrogenated Lecithin)
- −27 3 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate, PEG-100 Stearate, Polyglyceryl-5 Trioleate)
👕
Fabric stains
High
30
- +100 Starting score
- −45 Avobenzone at #4, reacts with iron in wash water into rust-yellow stains
- −15 Octocrylene at #9, co-stains alongside avobenzone
- −10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Nourishing
LightNourishing
- ← 5 1 sebum-absorbing powders (Silica)
- ← 1 Volatile carriers flash off, leaving a dry finish
- → 16 Glycerin at #3, the anchor humectant
- → 2 1 strong humectants (Urea)
- → 2 1 emollient lipids (Helianthus Annuus Seed Oil)
- → 1 1 fatty-alcohol emollients (Cetyl Alcohol)
- → 8 Ceramide barrier lipids with cholesterol/phytosphingosine partners
✨
Finish
Matte
MatteDewy
- ← 6 1 sebum-absorbing powders (Silica)
- ← 1 Volatile carriers flash off, leaving a dry finish
- ← 3 1 dry-touch emollients reduce greasy shine (Neopentyl Glycol Diheptanoate)
- → 3 1 emollient lipids (Helianthus Annuus Seed Oil)
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Makeup base
Okay
PillsPrimer
- → 3 1 soft-focus powders in moderation
- → 3 Dry-touch esters, smooth fast-absorbing base
- ← 0.5 Gel polymers prone to pilling under friction (Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer)
- ← 3.5 Humectant syrup tackiness (partly offset by the base)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance →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.
- ✨ Centella asiatica
- ✨ Ceramides
Full ingredient list (46)
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
-
Emollient, softens and smooths skin
- matte ← 3 dry-touch emollient, anti-shine
-
3 Glycerin
Humectant, pulls water into the skin
- 16 → nourishing the anchor humectant
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Legacy UV filter (Avobenzone)
- ↑ 28.5 UV protection, incl. long-UVA (UVA1)
- ↓ 3.5 stacked (regulatory/evidence concern)
- ↑ 16 migrates into eyes with sweat
- ↑ 45 reacts with iron in wash water into rust-yellow stains
-
Legacy UV filter (Octinoxate)
- ↑ 17.1 UV protection
- ↑ 11 migrates into eyes with sweat
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Fatty alcohol, an emollient and thickener, not the drying kind
- ↑ 5 rich gel-network thickener
- 1 → nourishing fatty-alcohol emollient
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7 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 5 sebum-absorbing powder
- matte ← 6 sebum-absorbing powder
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8 Urea
Humectant, pulls water into the skin
- 2 → nourishing humectant
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Legacy UV filter (Octocrylene), low in the list, likely a minor contributor
- ↑ 12.8 UV protection
- ↓ 10.5 stacked (regulatory/evidence concern)
- ↑ 7 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
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Emollient, softens and smooths skin
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Botanical extract
- 2 → nourishing emollient lipid
- 3 → dewy emollient lipid
- ↑ 14 feeds malassezia
-
Botanical extract
-
Soothing, skin-conditioning active
-
Soothing, skin-conditioning active
-
Botanical extract
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16 Ceramide AP
Soothing, skin-conditioning active
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17 Ceramide AS
Soothing, skin-conditioning active
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18 Ceramide EOP
Soothing, skin-conditioning active
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19 Ceramide NP
Soothing, skin-conditioning active
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20 Ceramide NS
Soothing, skin-conditioning active
-
21 Tocopherol
Antioxidant, protects the formula and skin
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Botanical extract
-
23 Cholesterol
Soothing, skin-conditioning active
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Thickener and texture, structures the gel or cream
-
Humectant, pulls water into the skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Volatile hydrocarbon, flashes off for a light finish
- light ← 1 volatile carrier, flashes off
- matte ← 1 volatile carrier, flashes off
-
Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
-
pH adjuster
-
31 Lecithin
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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32 BHT
Antioxidant, protects the formula and skin
-
Preservative, keeps the formula from spoiling
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Chelator, binds stray metal ions to keep the formula stable
-
Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
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36 Propanediol
Humectant, pulls water into the skin
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Antioxidant, protects the formula and skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Humectant, pulls water into the skin
-
Supporting ingredient
-
Humectant, pulls water into the skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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43 Citric Acid
pH adjuster
-
Preservative, keeps the formula from spoiling
-
Preservative, keeps the formula from spoiling
-
Supporting ingredient
Does Amaterasun UV Waterbarrier SPF 35 leave a white cast?
No, it is rated low for white cast and finishes matte, so it generally wears without a visible film.
Is the Amaterasun UV Waterbarrier SPF 35 Pa++++ mineral or chemical?
It is a chemical sunscreen on older-school filters: Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, and Octocrylene.
Is it good?
It scores 65.7/100 with a moderate protection rating, placing it mid-pack. It is a middling daily option rather than a top performer.