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
βοΈ
UV protection
Good
72
- +41 Zinc Oxide at #3, UV filter (UVA1 +18)
- +31.4 Titanium Dioxide at #4, UV filter (UVA1 +4.8)
- β0.4 UVA2 coverage saturated
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Allergens
Low
88
- +100 Starting score
- β8 4 declared fragrance allergens
- β4 Essential oils (Pelargonium Graveolens Flower Oil, Rosa Damascena Flower Oil)
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White cast
High
15
- +100 Starting score
- β55 Zinc Oxide at #3
- β35 Titanium Dioxide at #4
- β10 Zinc Oxide + Titanium Dioxide together
- β15 Pure mineral formula
- +15 Penalties exceed the scale, floored at 0
- +15 Coated minerals (Aluminum Hydroxide, Hydrogen Dimethicone)
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Eye sting
Low
98
- +100 Starting score
- β8 4 declared fragrance allergens
- +6 Mineral filter system, low-sting filters
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Heavy feel
Medium
58
- +100 Starting score
- β40 Zinc Oxide at #3
- β16 Titanium Dioxide at #4
- +14 Volatile silicone at #2, flashes off
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Fungal acne
Low
80
- +100 Starting score
- β9 1 oils/butters that feed Malassezia (Helianthus Annuus Seed Oil)
- β9 1 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-2 Dipolyhydroxystearate)
- β2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
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Fabric stains
Low
80
- +100 Starting score
- β15 Zinc Oxide at #3, white marks, worst on dark fabric (washable)
- β5 Both minerals present, heavier deposit
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Moisture
Balanced
LightNourishing
- β 8 Volatile carriers flash off, leaving a dry finish
- β 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
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Finish
Matte
MatteDewy
- β 7 Volatile carriers flash off, leaving a dry finish
- β 3 2 dry-touch emollients reduce greasy shine (Dibutyl Adipate, Caprylyl Methicone)
- β 1 1 emollient lipids (Helianthus Annuus Seed Oil)
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Makeup base
Okay
PillsPrimer
- β 8 Primer-style base, volatile silicones and dimethicone slip
- β 3 Dry-touch esters, smooth fast-absorbing base
- β 15 High mineral load at #3 greys under foundation
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Water resistance
Not resistant
Non-water-resistantWater-resistant
- +2 1 water-locking waxes
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.
- β¨ Centella asiatica
Full ingredient list (53)
What each ingredient does and how it moves each rating: green helps, red hurts, β / β give the direction, and β / β 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
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Volatile silicone, flashes off for a light finish
- light β 8 volatile carrier, flashes off
- matte β 7 volatile carrier, flashes off
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Mineral UV filter (Zinc Oxide), high in the list, a primary filter
- β 41 UV protection, incl. long-UVA (UVA1)
- β 15 white marks, worst on dark fabric (washable)
- light β 5 mild sebum absorbent
- pills β 15 High mineral load greys under foundation
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Mineral UV filter (Titanium Dioxide)
- β 31.4 UV protection, incl. long-UVA (UVA1)
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Humectant, pulls water into the skin
- 1 β nourishing humectant polyol
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Emulsifier, keeps oil and water blended
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Emollient, softens and smooths skin
- matte β 2 dry-touch emollient, anti-shine
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Emollient, softens and smooths skin
- matte β 1 dry-touch emollient, anti-shine
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Humectant, pulls water into the skin
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Thickener and texture, structures the gel or cream
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Thickener and texture, structures the gel or cream
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Emollient, softens and smooths skin
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Supporting ingredient
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Botanical extract
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Emollient, softens and smooths skin
- β 2 wax water lock
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Soothing, skin-conditioning active
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Botanical extract
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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19 Stearic Acid
Emollient, softens and smooths skin
- β 2 minor malassezia feeder
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Humectant, pulls water into the skin
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Humectant, pulls water into the skin
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22 Bergamot
Supporting ingredient
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Botanical extract
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Humectant, pulls water into the skin
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25 Pullulan
Supporting ingredient
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Fatty alcohol, an emollient and thickener, not the drying kind
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Botanical extract
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28 Panthenol
Soothing, skin-conditioning active
- 1 β nourishing humectant
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Botanical extract
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Botanical extract
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Botanical extract
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Botanical extract
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Humectant, pulls water into the skin
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Emollient, softens and smooths skin
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35 Tocopherol
Antioxidant, protects the formula and skin
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Emulsifier, keeps oil and water blended
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37 Ceramide NP
Soothing, skin-conditioning active
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38 Glycine
Protein, peptide or amino acid, conditions and hydrates skin
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Protein, peptide or amino acid, conditions and hydrates skin
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40 Serine
Protein, peptide or amino acid, conditions and hydrates skin
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41 Lysine
Protein, peptide or amino acid, conditions and hydrates skin
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42 Alanine
Protein, peptide or amino acid, conditions and hydrates skin
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43 Arginine
pH adjuster
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44 Threonine
Protein, peptide or amino acid, conditions and hydrates skin
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45 Proline
Protein, peptide or amino acid, conditions and hydrates skin
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Botanical extract
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47 Bergamot
Supporting ingredient
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Botanical extract
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Botanical extract
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50 Limonene
Fragrance component, a declared allergen
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51 Linalool
Fragrance component, a declared allergen
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52 Citronellol
Fragrance component, a declared allergen
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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.