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ROUND LAB 365 Derma Relief Sun Cream

ROUND LAB 365 Derma Relief Sun Cream

76/100 overall score

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About this sunscreen

ROUND LAB 365 Derma Relief Sun Cream is a pure mineral sunscreen using zinc oxide and titanium dioxide, aimed at sensitive, easily irritated skin. It has a matte finish and does not sting, with low pore-clogging risk, but white cast is high and it sits at a medium weight. It works okay under makeup. With good protection and a score of 76.3 out of 100, it is a solid mineral pick if you do not mind some cast.

Ingredient & SPF scores

β˜€οΈ

UV protection

Good 72
  • +41 Zinc Oxide at #3, UV filter (UVA1 +18)
  • +31.4 Titanium Dioxide at #4, UV filter (UVA1 +4.8)
  • βˆ’0.4 UVA2 coverage saturated
How we rate uv protection β†’
☒️

Health safety

High 100
  • +100 Starting score
How we rate health safety β†’
🀧

Allergens

Low 88
  • +100 Starting score
  • βˆ’8 4 declared fragrance allergens
  • βˆ’4 Essential oils (Pelargonium Graveolens Flower Oil, Rosa Damascena Flower Oil)
How we rate allergens β†’
πŸ‘»

White cast

High 15
  • +100 Starting score
  • βˆ’55 Zinc Oxide at #3
  • βˆ’35 Titanium Dioxide at #4
  • βˆ’10 Zinc Oxide + Titanium Dioxide together
  • βˆ’15 Pure mineral formula
  • +15 Penalties exceed the scale, floored at 0
  • +15 Coated minerals (Aluminum Hydroxide, Hydrogen Dimethicone)
How we rate white cast β†’
πŸ”₯

Eye sting

Low 98
  • +100 Starting score
  • βˆ’8 4 declared fragrance allergens
  • +6 Mineral filter system, low-sting filters
How we rate eye sting β†’
πŸͺ¨

Heavy feel

Medium 58
  • +100 Starting score
  • βˆ’40 Zinc Oxide at #3
  • βˆ’16 Titanium Dioxide at #4
  • +14 Volatile silicone at #2, flashes off
How we rate heavy feel β†’
πŸ”΄

Comedogenic

Low 100
  • +100 Starting score
How we rate comedogenic β†’
πŸ„

Fungal acne

Low 80
  • +100 Starting score
  • βˆ’9 1 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil)
  • βˆ’9 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-2 Dipolyhydroxystearate)
  • βˆ’2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
How we rate fungal acne β†’
πŸ‘•

Fabric stains

Low 80
  • +100 Starting score
  • βˆ’15 Zinc Oxide at #3, white marks, worst on dark fabric (washable)
  • βˆ’5 Both minerals present, heavier deposit
How we rate fabric stains β†’
πŸ’§

Moisture

Balanced
LightNourishing
  • ← 8 Volatile carriers flash off, leaving a dry finish
  • ← 5 Zinc Oxide at #3, mild sebum absorbent
  • β†’ 1 1 strong humectants (Panthenol)
  • β†’ 1 Humectant polyols
  • β†’ 1 1 emollient lipids (Helianthus Annuus Seed Oil)
  • β†’ 6 Ceramide barrier lipids
How we rate moisture β†’
✨

Finish

Matte
MatteDewy
  • ← 7 Volatile carriers flash off, leaving a dry finish
  • ← 3 2 dry-touch emollients reduce greasy shine (Dibutyl Adipate, Caprylyl Methicone)
  • β†’ 1 1 emollient lipids (Helianthus Annuus Seed Oil)
How we rate finish β†’
πŸ’„

Makeup base

Okay
PillsPrimer
  • β†’ 8 Primer-style base, volatile silicones and dimethicone slip
  • β†’ 3 Dry-touch esters, smooth fast-absorbing base
  • ← 15 High mineral load at #3 greys under foundation
How we rate makeup base β†’
🌊

Water resistance

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

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

Full ingredient list (53)

What each ingredient does and how it moves each rating: green helps, red hurts, ↑ / ↓ give the direction, and ← / β†’ 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. 2 Cyclomethicone

    Volatile silicone, flashes off for a light finish

    • light ← 8 volatile carrier, flashes off
    • matte ← 7 volatile carrier, flashes off
  3. 3 Zinc Oxide

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

    • ↑ 41 UV protection, incl. long-UVA (UVA1)
    • ↑ 15 white marks, worst on dark fabric (washable)
    • light ← 5 mild sebum absorbent
    • pills ← 15 High mineral load greys under foundation
  4. 4 Titanium Dioxide

    Mineral UV filter (Titanium Dioxide)

    • ↑ 31.4 UV protection, incl. long-UVA (UVA1)
  5. 5 Propanediol

    Humectant, pulls water into the skin

    • 1 β†’ nourishing humectant polyol
  6. Emulsifier, keeps oil and water blended

  7. 7 Dibutyl Adipate

    Emollient, softens and smooths skin

    • matte ← 2 dry-touch emollient, anti-shine
  8. 8 Caprylyl Methicone

    Emollient, softens and smooths skin

    • matte ← 1 dry-touch emollient, anti-shine
  9. 9 1,2-Hexanediol

    Humectant, pulls water into the skin

  10. Thickener and texture, structures the gel or cream

  11. 11 Magnesium Sulfate

    Thickener and texture, structures the gel or cream

  12. 12 Hydrogen Dimethicone

    Emollient, softens and smooths skin

  13. 13 Aluminum Hydroxide

    Supporting ingredient

  14. Botanical extract

  15. Emollient, softens and smooths skin

    • ↑ 2 wax water lock
  16. Soothing, skin-conditioning active

  17. Botanical extract

  18. Emulsifier, keeps oil and water blended

    • ↑ 9 feeds malassezia
  19. 19 Stearic Acid

    Emollient, softens and smooths skin

    • ↑ 2 minor malassezia feeder
  20. Humectant, pulls water into the skin

  21. Humectant, pulls water into the skin

  22. 22 Bergamot

    Supporting ingredient

  23. Botanical extract

    • 1 β†’ nourishing emollient lipid
    • 1 β†’ dewy emollient lipid
    • ↑ 9 feeds malassezia
  24. 24 Ethylhexyl-Glycerin

    Humectant, pulls water into the skin

  25. 25 Pullulan

    Supporting ingredient

  26. 26 Octyldodecanol

    Fatty alcohol, an emollient and thickener, not the drying kind

  27. Botanical extract

  28. 28 Panthenol

    Soothing, skin-conditioning active

    • 1 β†’ nourishing humectant
  29. Botanical extract

  30. Botanical extract

  31. Botanical extract

  32. Botanical extract

  33. 33 Butylene Glycol

    Humectant, pulls water into the skin

  34. Emollient, softens and smooths skin

  35. 35 Tocopherol

    Antioxidant, protects the formula and skin

  36. 36 Phosphatidylcholine

    Emulsifier, keeps oil and water blended

  37. 37 Ceramide NP

    Soothing, skin-conditioning active

  38. 38 Glycine

    Protein, peptide or amino acid, conditions and hydrates skin

  39. 39 Glutamic Acid

    Protein, peptide or amino acid, conditions and hydrates skin

  40. 40 Serine

    Protein, peptide or amino acid, conditions and hydrates skin

  41. 41 Lysine

    Protein, peptide or amino acid, conditions and hydrates skin

  42. 42 Alanine

    Protein, peptide or amino acid, conditions and hydrates skin

  43. 43 Arginine

    pH adjuster

  44. 44 Threonine

    Protein, peptide or amino acid, conditions and hydrates skin

  45. 45 Proline

    Protein, peptide or amino acid, conditions and hydrates skin

  46. Botanical extract

  47. 47 Bergamot

    Supporting ingredient

  48. Botanical extract

  49. 49 Rose Flower Oil

    Botanical extract

  50. 50 Limonene

    Fragrance component, a declared allergen

  51. 51 Linalool

    Fragrance component, a declared allergen

  52. 52 Citronellol

    Fragrance component, a declared allergen

  53. 53 Geraniol

    Fragrance component, a declared allergen

Does ROUND LAB 365 Derma Relief Sun Cream leave a white cast?

Yes, white cast is rated high. As a pure mineral formula with zinc oxide and titanium dioxide, it can leave a visible layer, especially on deeper skin tones.

Is the ROUND LAB 365 Derma Relief Sun Cream mineral or chemical?

It is a pure mineral sunscreen, using zinc oxide and titanium dioxide.

Is it good for sensitive skin?

It is generally aimed at easily irritated skin. It does not sting and has low pore-clogging risk, with a matte finish, good protection, and a score of 76.3 out of 100.

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