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Blume Sunburst Mineral SPF 50

Blume SPF 50
Blume Sunburst Mineral SPF 50

74/100 overall score

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About this sunscreen

Blume Sunburst Mineral SPF 50 is a Zinc Oxide based mineral sunscreen that keeps white cast low, an uncommon strength for a pure mineral formula. It wears with a balanced finish, feels lightweight, is low on pore-clogging ingredients, and does not commonly sting. Scoring 74.0/100 with moderate protection, it is a strong daily mineral option, especially for those who usually avoid mineral sunscreens over white cast.

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 96
  • +100 Starting score
  • −4 Essential oils (Citrus Sinensis Oil)
How we rate allergens →
👻

White cast

Low 82
  • +100 Starting score
  • −28 Zinc Oxide, 12% declared
  • −8 Pure mineral formula (12% total declared)
  • +18 Iron-oxide undertone, partial masking
How we rate white cast →
🔥

Eye sting

Low 100
  • +100 Starting score
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🪨

Heavy feel

Low 82
  • +100 Starting score
  • −18 Zinc Oxide, 12% declared
How we rate heavy feel →
🔴

Comedogenic

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

Fungal acne

Medium 73
  • +100 Starting score
  • −18 2 oils/butters that feed Malassezia (Lecithin, Hydrogenated Lecithin)
  • −9 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate)
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👕

Fabric stains

Medium 45
  • +100 Starting score
  • −40 Iron-oxide pigments at #16, makeup-like collar marks (washable)
  • −15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
How we rate fabric stains →
💧

Moisture

Balanced
LightNourishing
  • ← 3 2 sebum-absorbing powders (Silica, Nylon-12)
  • ← 5 Zinc Oxide at #1, mild sebum absorbent
  • → 2 Light emollient/solvent (Caprylic/Capric Triglyceride)
How we rate moisture →

Finish

Balanced
MatteDewy
  • ← 2 2 sebum-absorbing powders (Nylon-12, Silica)
  • ← 1 1 dry-touch emollients reduce greasy shine (Coco-Caprylate)
  • → 6 1 emollient lipids (C12-15 Alkyl Benzoate)
How we rate finish →
💄

Makeup base

Okay
PillsPrimer
  • → 3 Dry-touch esters, smooth fast-absorbing base
  • ← 7.5 High mineral load at #1 greys under foundation (tinted)
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.

  • ✨ Allantoin
  • ✨ Bisabolol
  • ✨ Centella asiatica

Full ingredient list (36)

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 12% declared
    • ↑ 18 12% declared
    • ↑ 15 white marks, worst on dark fabric (washable)
    • light ← 5 mild sebum absorbent
    • pills ← 7.5 High mineral load greys under foundation (tinted)
  2. 2 Allantoin

    Soothing, skin-conditioning active

  3. 3 Bisabolol

    Soothing, skin-conditioning active

  4. Emollient, softens and smooths skin

    • 6 → dewy emollient lipid
  5. Emollient, softens and smooths skin

    • 2 → nourishing light emollient
  6. 6 Caprylyl Glycol

    Preservative, keeps the formula from spoiling

  7. Soothing, skin-conditioning active

  8. Botanical extract

  9. Plant oil, an emollient

  10. 10 Mandarin

    Supporting ingredient

  11. 11 Coco-Caprylate

    Emollient, softens and smooths skin

    • matte ← 1 dry-touch emollient, anti-shine
  12. Botanical extract

  13. Botanical extract

  14. Botanical extract

  15. Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  16. 16 Iron Oxides

    Colorant or pigment

    • ↑ 40 makeup-like collar marks (washable)
  17. Emollient, softens and smooths skin

  18. 18 Lecithin

    Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  19. Emollient, softens and smooths skin

  20. Humectant, pulls water into the skin

  21. 21 Niacinamide

    Soothing, skin-conditioning active

  22. 22 Nylon-12

    Mattifying powder, absorbs oil and blurs the finish

    • light ← 1.5 sebum-absorbing powder
    • matte ← 1 sebum-absorbing powder
  23. Botanical extract

  24. 24 Phenylpropanol

    Preservative, keeps the formula from spoiling

  25. Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  26. 26 Propanediol

    Humectant, pulls water into the skin

  27. 27 Rutin

    Supporting ingredient

  28. Botanical extract

  29. 29 Silica

    Mattifying powder, absorbs oil and blurs the finish

    • light ← 1.5 sebum-absorbing powder
    • matte ← 1 sebum-absorbing powder
  30. 30 Sodium Chloride

    Thickener and texture, structures the gel or cream

  31. 31 Sodium Hydroxide

    pH adjuster

  32. Chelator, binds stray metal ions to keep the formula stable

  33. 33 Tocopherol

    Antioxidant, protects the formula and skin

  34. Emollient, softens and smooths skin

  35. Botanical extract

  36. 36 Water

    Solvent base, the water phase

Does the Blume Sunburst Mineral SPF 50 leave a white cast?

White cast is low, which is uncommon for a pure mineral formula based on Zinc Oxide. That makes it a good option for people who normally avoid mineral sunscreens because of cast.

Is the Blume Sunburst Mineral SPF 50 good for acne-prone skin?

It is low on pore-clogging ingredients, wears with a balanced finish, and does not commonly sting, so it is generally friendly for acne-prone and sensitive skin.

Is this sunscreen any good?

It scores 74.0/100 with moderate protection, making it a strong daily mineral pick. Its low white cast for a Zinc Oxide formula is its main standout.

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