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Cien Sun Lotion SPF 50

Cien SPF 50
Cien Sun Lotion SPF 50

66/100 overall score

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Ingredient & SPF scores

☀️

UV protection

Moderate 50
  • +28.5 Butyl Methoxydibenzoylmethane at #5, UV filter (UVA1 +15.2)
  • +6.4 Ethylhexyl Salicylate at #10, UV filter
  • +9.6 Octocrylene at #18, UV filter
  • +8.4 Phenylbenzimidazole Sulfonic Acid at #20, UV filter
  • ×0.9 Limited long-UVA1 coverage
  • +2 Label claims (SPF 50)
How we rate uv protection →
☢️

Health safety

High 67
  • +100 Starting score
  • −30 Octocrylene at #18 (regulatory/evidence concern)
  • −3.5 Avobenzone at #5, stacked (regulatory/evidence concern)
How we rate health safety →
🤧

Allergens

Low 65
  • +100 Starting score
  • −18 Fragrance
  • −14 6 declared fragrance allergens
  • −3 Photoallergen-tail UV filters (Octocrylene)
How we rate allergens →
👻

White cast

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

Eye sting

Medium 39
  • +100 Starting score
  • −16 Avobenzone at #5, migrates into eyes with sweat
  • −2 Octocrylene at #18, migrates into eyes with sweat
  • −3 Octisalate at #10, migrates into eyes with sweat
  • −1 Ensulizole at #20, migrates into eyes with sweat
  • −18 Volatile alcohol at #2
  • −5 Alcohol high up speeds filter migration
  • −8 Fragrance
  • −8 5 declared fragrance allergens
How we rate eye sting →
🪨

Heavy feel

Low 100
  • +100 Starting score
How we rate heavy feel →
🔴

Comedogenic

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

Fungal acne

Safe 100
  • +100 Starting score
How we rate fungal acne →
👕

Fabric stains

High 30
  • +100 Starting score
  • −45 Avobenzone at #5, reacts with iron in wash water into rust-yellow stains
  • −15 Octocrylene at #18, co-stains alongside avobenzone
  • −10 Avobenzone + Octocrylene, the classic staining pair
How we rate fabric stains →
💧

Moisture

Light
LightNourishing
  • ← 22 Volatile alcohol at #2
  • → 1 Glycerin at #15, the anchor humectant
How we rate moisture →

Finish

Balanced
MatteDewy
  • ← 5 Volatile alcohol at #2
  • → 6 1 emollient lipids (C12-15 Alkyl Benzoate)
How we rate finish →
💄

Makeup base

Good
PillsPrimer
  • → 10 Quick-setting carrier (alcohol at #2), fast, even canvas
  • → 2 Dry-touch esters, smooth fast-absorbing base
  • ← 3 Gel polymers prone to pilling under friction (Cellulose Gum)
How we rate makeup base →
🌊

Water resistance

Resistant
Non-water-resistantWater-resistant
  • +23 2 film-forming polymers that lock the formula on for water resistance
How we rate water resistance →

Full ingredient list (23)

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. Thickener and texture, structures the gel or cream

    • ↑ 20 film former
  2. 2 Alcohol

    Volatile alcohol, a drying solvent that can sting eyes

    • ↑ 5 high up speeds filter migration
  3. 3 Water

    Solvent base, the water phase

  4. 4 Benzyl Alcohol

    Preservative, keeps the formula from spoiling

  5. 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
  6. Emollient, softens and smooths skin

    • 6 → dewy emollient lipid
  7. 7 Cellulose Gum

    Thickener and texture, structures the gel or cream

  8. 8 Citronellol

    Fragrance component, a declared allergen

  9. 9 Coumarin

    Fragrance component, a declared allergen

  10. Legacy UV filter (Octisalate), low in the list, likely a minor contributor

    • ↑ 6.4 UV protection
    • ↑ 3 migrates into eyes with sweat
  11. Humectant, pulls water into the skin

  12. 12 Eugenol

    Fragrance component, a declared allergen

  13. 13 Galactoarabinan

    Humectant, pulls water into the skin

  14. 14 Geraniol

    Fragrance component, a declared allergen

  15. 15 Glycerin

    Humectant, pulls water into the skin

    • 1 → nourishing the anchor humectant
  16. 16 Limonene

    Fragrance component, a declared allergen

  17. Thickener and texture, structures the gel or cream

  18. 18 Octocrylene

    Legacy UV filter (Octocrylene), low in the list, likely a minor contributor

    • ↑ 9.6 UV protection
    • ↑ 2 migrates into eyes with sweat
    • ↑ 15 co-stains alongside avobenzone
  19. 19 Fragrance

    Fragrance

  20. Legacy UV filter (Ensulizole), low in the list, likely a minor contributor

    • ↑ 8.4 UV protection
    • ↑ 1 migrates into eyes with sweat
  21. Antioxidant, protects the formula and skin

  22. Film former, locks the formula onto skin for water resistance

    • ↑ 3 film former
  23. 23 Xanthan Gum

    Thickener and texture, structures the gel or cream

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