ROUND LAB Birch Juice Moisturizing Sun Stick SPF 50+ Pa++++
91/100 overall score
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Ingredient & SPF scores
βοΈ
UV protection
Excellent
88
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #6, UV filter (UVA1 +20.9)
- +17.6 Ethylhexyl Triazone at #9, UV filter
- +7.2 Polysilicone-15 at #13, UV filter
- +28.8 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #14, UV filter (UVA1 +9.6)
- β3.6 UVB coverage saturated
- +4 Label claims (SPF 50, PA rating)
πͺ¨
Heavy feel
Low
70
- +100 Starting score
- β6 Ozokerite at #10, wax film
- β12 Synthetic Wax at #4, wax film
- β12 Stick/balm format with a wax skeleton
π
Fungal acne
Medium
73
- +100 Starting score
- β9 1 oils/butters that feed Malassezia (Oryza Sativa Bran Oil)
- β18 2 long-chain (C12+) esters that feed Malassezia (Polyglyceryl-5 Polyricinoleate, Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate)
π
Fabric stains
Low
85
- +100 Starting score
- β15 Uvinul A Plus (DHHB) at #6, oil-soluble UVA filter, fabric stains
π§
Moisture
Balanced
LightNourishing
- β 5 1 sebum-absorbing powders (Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer)
- β 1 Glycerin at #16, the anchor humectant
- β 2 Hyaluronic Acid at #22, hyaluronic family
- β 1 1 strong humectants (Glyceryl Glucoside)
- β 1 1 emollient lipids (Oryza Sativa Bran Oil)
β¨
Finish
Matte
MatteDewy
- β 6 1 sebum-absorbing powders (Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer)
- β 6 2 dry-touch emollients reduce greasy shine (Coco-Caprylate/Caprate, Dibutyl Adipate)
- β 1 1 emollient lipids (Oryza Sativa Bran Oil)
π
Makeup base
Good
PillsPrimer
- β 8 1 velvet elastomer fillers, blur and grip
- β 3 1 soft-focus powders in moderation
- β 6 Dry-touch esters, smooth fast-absorbing base
- β 6 Occlusives/waxes float the foundation
π
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +11 2 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¨ Niacinamide
Full ingredient list (49)
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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Emollient, softens and smooths skin
- matte β 3 dry-touch emollient, anti-shine
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Emollient, softens and smooths skin
- matte β 3 dry-touch emollient, anti-shine
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Occlusive, seals moisture into the skin
- β 12 wax film
- β 7 wax water lock
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Emollient, softens and smooths skin
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Modern UV filter, broad-spectrum and photostable (Uvinul A Plus)
- β 34.2 UV protection, incl. long-UVA (UVA1)
- β 15 oil-soluble UVA filter, fabric stains
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Mattifying powder, absorbs oil and blurs the finish
- light β 5 sebum-absorbing powder
- matte β 6 sebum-absorbing powder
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Humectant, pulls water into the skin
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Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- β 17.6 UV protection
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10 Ozokerite
Occlusive, seals moisture into the skin
- β 6 wax film
- β 4 wax water lock
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11 Niacinamide
Soothing, skin-conditioning active
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Emollient, softens and smooths skin
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Modern UV filter, broad-spectrum and photostable (Polysilicone-15), low in the list, likely a minor contributor
- β 7.2 UV protection
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Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- β 28.8 UV protection, incl. long-UVA (UVA1)
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Emulsifier, keeps oil and water blended
- 1 β nourishing humectant
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16 Glycerin
Humectant, pulls water into the skin
- 1 β nourishing the anchor humectant
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Botanical extract
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Botanical extract
-
Soothing, skin-conditioning active
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Botanical extract
-
Botanical extract
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Humectant, pulls water into the skin
- 2 β nourishing hyaluronic family
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Antioxidant, protects the formula and skin
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Humectant, pulls water into the skin
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Botanical extract
-
Soothing, skin-conditioning active
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27 Allantoin
Soothing, skin-conditioning active
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
32 Tripeptide-1
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
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Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Protein, peptide or amino acid, conditions and hydrates skin
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40 Adenosine
Soothing, skin-conditioning active
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Humectant, pulls water into the skin
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Emollient, softens and smooths skin
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Preservative, keeps the formula from spoiling
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Plant oil, an emollient
- 1 β nourishing emollient lipid
- 1 β dewy emollient lipid
- β 9 feeds malassezia
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Emulsifier, keeps oil and water blended
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Emulsifier, keeps oil and water blended
- β 9 feeds malassezia
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Thickener and texture, structures the gel or cream
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Humectant, pulls water into the skin