Rate My SPF

Knours Koolsol Ultra Light Invisible Mineral Sunscreen Broad Spectrum SPF 50

Knours SPF 50
Knours Koolsol Ultra Light Invisible Mineral Sunscreen Broad Spectrum SPF 50

74/100 overall score

Sign in to see this product's score for your skin.

Ingredient & SPF scores

☀️

UV protection

Moderate 43
  • +41 Zinc Oxide at #1, UV filter (UVA1 +18)
  • +2 Label claims (SPF 50)
How we rate uv protection →
☢️

Health safety

High 100
  • +100 Starting score
How we rate health safety →
🤧

Allergens

Low 100
  • +100 Starting score
How we rate allergens →
👻

White cast

Low 68
  • +100 Starting score
  • −28 Zinc Oxide, 10% declared
  • −8 Pure mineral formula (10% total declared)
  • +3.6 PHSA dispersant, fights agglomeration
How we rate white cast →
🔥

Eye sting

Low 100
  • +100 Starting score
How we rate eye sting →
🪨

Heavy feel

Low 82
  • +100 Starting score
  • −18 Zinc Oxide, 10% declared
How we rate heavy feel →
🔴

Comedogenic

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

Fungal acne

Medium 41
  • +100 Starting score
  • −9 1 oils/butters that feed Malassezia (Hydrogenated Lecithin)
  • −50 3 long-chain (C12+) esters that feed Malassezia (Isoamyl Laurate, Polyglyceryl-6 Laurate, Polyglyceryl-6 Polyricinoleate)
How we rate fungal acne →
👕

Fabric stains

Low 85
  • +100 Starting score
  • −15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
How we rate fabric stains →
💧

Moisture

Balanced
LightNourishing
  • ← 3 1 sebum-absorbing powders (Silica)
  • ← 5 Zinc Oxide at #1, mild sebum absorbent
  • → 1 Glycerin at #29, the anchor humectant
  • → 1 1 strong humectants (Panthenol)
  • → 1 Humectant polyols
How we rate moisture →

Finish

Balanced
MatteDewy
  • ← 3 1 sebum-absorbing powders (Silica)
  • ← 3 1 dry-touch emollients reduce greasy shine (Isoamyl Laurate)
How we rate finish →
💄

Makeup base

Okay
PillsPrimer
  • → 3 Dry-touch esters, smooth fast-absorbing base
  • ← 2 Gel polymers prone to pilling under friction (Sodium Polyacryloyldimethyl Taurate)
  • ← 15 High mineral load at #1 greys under foundation
How we rate makeup 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.

  • ✨ Niacinamide
  • ✨ Vitamin E

Full ingredient list (34)

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 Zinc Oxide

    Mineral UV filter (Zinc Oxide), high in the list, a primary filter

    • ↑ 41 UV protection, incl. long-UVA (UVA1)
    • ↑ 28 10% declared
    • ↑ 18 10% declared
    • ↑ 15 white marks, worst on dark fabric (washable)
    • light ← 5 mild sebum absorbent
    • pills ← 15 High mineral load greys under foundation
  2. 2 Water

    Solvent base, the water phase

  3. Emollient, softens and smooths skin

    • matte ← 3 dry-touch emollient, anti-shine
    • ↑ 36 feeds malassezia
  4. 4 Propanediol

    Humectant, pulls water into the skin

    • 1 → nourishing humectant polyol
  5. Emollient, softens and smooths skin

  6. 6 C13-15 Alkane

    Emollient, softens and smooths skin

  7. 7 Niacinamide

    Soothing, skin-conditioning active

  8. Thickener and texture, structures the gel or cream

  9. Emulsifier, keeps oil and water blended

  10. Emollient, softens and smooths skin

  11. Emulsifier, keeps oil and water blended

    • ↑ 14 feeds malassezia
  12. 12 Silica

    Mattifying powder, absorbs oil and blurs the finish

    • light ← 3 sebum-absorbing powder
    • matte ← 3 sebum-absorbing powder
  13. Antioxidant, protects the formula and skin

  14. Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  15. Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  16. Antioxidant, protects the formula and skin

  17. Supporting ingredient

  18. Antioxidant, protects the formula and skin

  19. Emulsifier, keeps oil and water blended

  20. Botanical extract

  21. 21 Caprylyl Glycol

    Preservative, keeps the formula from spoiling

  22. Botanical extract

  23. Botanical extract

  24. 24 1,2-Hexanediol

    Humectant, pulls water into the skin

  25. 25 Phenoxyethanol

    Preservative, keeps the formula from spoiling

  26. Thickener and texture, structures the gel or cream

  27. 27 Panthenol

    Soothing, skin-conditioning active

    • 1 → nourishing humectant
  28. Botanical extract

  29. 29 Glycerin

    Humectant, pulls water into the skin

    • 1 → nourishing the anchor humectant
  30. 30 Butylene Glycol

    Humectant, pulls water into the skin

  31. Soothing, skin-conditioning active

  32. 32 Madecassoside

    Soothing, skin-conditioning active

  33. Soothing, skin-conditioning active

  34. 34 Asiaticoside

    Soothing, skin-conditioning active

← all products