One Skin Os-01 Face SPF 30+
70/100 overall score
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Ingredient & SPF scores
☀️
UV protection
Moderate
42
- +41 Zinc Oxide at #1, UV filter (UVA1 +18)
- +1 Label claims (SPF 30)
👻
White cast
Low
73
- +100 Starting score
- −55 Zinc Oxide at #1
- −15 Pure mineral formula
- +35 Iron-oxide undertone, partial masking
- +3.5 PHSA dispersant, fights agglomeration
- +4.7 Coated minerals (Triethoxycaprylylsilane, Alumina)
🪨
Heavy feel
Medium
33
- +100 Starting score
- −40 Zinc Oxide at #1
- −12 Cetyl Palmitate at #7, wax film
- −5 Cetearyl Alcohol at #6, rich gel-network thickener
- −10 Mineral suspended in a dense emollient base (basic)
🍄
Fungal acne
High
22
- +100 Starting score
- −36 2 polysorbate/sorbitan emulsifiers that feed Malassezia (Sorbitan Palmitate, Sorbitan Olivate)
- −9 1 oils/butters that feed Malassezia (Lecithin)
- −33 2 long-chain (C12+) esters that feed Malassezia (Cetyl Palmitate, Polyglyceryl-3 Polyricinoleate)
- +0 Caprylic/Capric Triglyceride at #3, a safe base that does not feed Malassezia
👕
Fabric stains
Medium
45
- +100 Starting score
- −40 Iron-oxide pigments at #42, makeup-like collar marks (washable)
- −15 Zinc Oxide at #1, white marks, worst on dark fabric (washable)
💧
Moisture
Hydrating
LightNourishing
- ← 1.5 1 sebum-absorbing powders (Oryza Sativa Starch)
- ← 5 Zinc Oxide at #1, mild sebum absorbent
- → 10 Glycerin at #4, the anchor humectant
- → 4 Light emollient/solvent (Caprylic/Capric Triglyceride)
- → 1 1 fatty-alcohol emollients (Cetearyl Alcohol)
✨
Finish
Balanced
MatteDewy
- ← 1 1 sebum-absorbing powders (Oryza Sativa Starch)
💄
Makeup base
Okay
PillsPrimer
- ← 3 Humectant syrup tackiness
- ← 7.5 High mineral load at #1 greys under foundation (tinted)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +7 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.
- ✨ Bisabolol
- ✨ Allantoin
Full ingredient list (42)
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.
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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 ← 7.5 High mineral load greys under foundation (tinted)
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2 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
- 4 → nourishing light emollient
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4 Glycerin
Humectant, pulls water into the skin
- 10 → nourishing the anchor humectant
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Supporting ingredient
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Fatty alcohol, an emollient and thickener, not the drying kind
- ↑ 5 rich gel-network thickener
- 1 → nourishing fatty-alcohol emollient
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Emollient, softens and smooths skin
- ↑ 12 wax film
- ↑ 24 feeds malassezia
- ↑ 7 wax water lock
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Emulsifier, keeps oil and water blended
-
Emulsifier, keeps oil and water blended
-
Emulsifier, keeps oil and water blended
- ↑ 18 feeds malassezia
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Emulsifier, keeps oil and water blended
- ↑ 18 feeds malassezia
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Botanical extract
-
Antioxidant, protects the formula and skin
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14 Bisabolol
Soothing, skin-conditioning active
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15 Allantoin
Soothing, skin-conditioning active
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Emollient, softens and smooths skin
-
Thickener and texture, structures the gel or cream
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Emollient, softens and smooths skin
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Emollient, softens and smooths skin
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21 Lecithin
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
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Antioxidant, protects the formula and skin
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Antioxidant, protects the formula and skin
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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Botanical extract
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27 Acai Extract
Botanical extract
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Botanical extract
-
Botanical extract
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Preservative, keeps the formula from spoiling
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Humectant, pulls water into the skin
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Humectant, pulls water into the skin
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33 Xanthan Gum
Thickener and texture, structures the gel or cream
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Chelator, binds stray metal ions to keep the formula stable
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Humectant, pulls water into the skin
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Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
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Supporting ingredient
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40 Alumina
Supporting ingredient
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Supporting ingredient
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42 Ci 77491
Colorant or pigment
- ↑ 40 makeup-like collar marks (washable)