Guerlain Blanc De Perle Lightening UV Base SPF 30 PA+++
71/100 overall score
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Ingredient & SPF scores
☀️
UV protection
Good
62
- +18 Ethylhexyl Methoxycinnamate at #3, UV filter
- +31.4 Titanium Dioxide at #4, UV filter (UVA1 +4.8)
- +28.8 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #14, UV filter (UVA1 +9.6)
- −12 UVB coverage saturated
- ×0.9 Limited long-UVA1 coverage
- +2 Label claims (SPF 30, PA rating)
☢️
Health safety
High
64
- +100 Starting score
- −36 Octinoxate at #3 (regulatory/evidence concern)
🤧
Allergens
Low
70
- +100 Starting score
- −18 Fragrance
- −12 3 declared fragrance allergens
👻
White cast
Low
93
- +100 Starting score
- −17.5 Titanium Dioxide at #4 (nano)
- −2 Titanium Dioxide as pigment (CI 77891) at #13
- +9.8 Iron-oxide undertone, partial masking
- +1 PHSA dispersant, fights agglomeration
- +1.3 Coated minerals (Alumina, Aluminum Hydroxide)
🔥
Eye sting
Low
70
- +100 Starting score
- −16 Octinoxate at #3, migrates into eyes with sweat
- −8 Fragrance
- −6 3 declared fragrance allergens
🪨
Heavy feel
Low
84
- +100 Starting score
- −16 Titanium Dioxide at #4
- −3 Hydrogenated Polyisobutene at #12, heavy oil
- +2.9 Volatile hydrocarbon at #6, flashes off
🍄
Fungal acne
Low
77
- +100 Starting score
- −12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Sorbitan Sesquioleate)
- −9 1 long-chain (C12+) esters that feed Malassezia (Sodium Myristoyl Glutamate)
- −2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
👕
Fabric stains
Medium
50
- +100 Starting score
- −40 Iron-oxide pigments at #38, makeup-like collar marks (washable)
- −10 Titanium Dioxide at #4, white marks, worst on dark fabric (washable)
💧
Moisture
Balanced
LightNourishing
- ← 3 2 sebum-absorbing powders (Silica Silylate, Polymethylsilsesquioxane)
- ← 6 Volatile carriers flash off, leaving a dry finish
- → 10 Glycerin at #5, the anchor humectant
- → 2 2 strong humectants (Betaine, Ectoin)
- → 1 Humectant polyols
✨
Finish
Balanced
MatteDewy
- ← 2 2 sebum-absorbing powders (Polymethylsilsesquioxane, Silica Silylate)
- ← 6 Volatile carriers flash off, leaving a dry finish
- → 9 1 emollient lipids (C12-15 Alkyl Benzoate)
💄
Makeup base
Okay
PillsPrimer
- → 4 Quick-setting carrier, fast, even canvas
- → 3 Dry-touch esters, smooth fast-absorbing base
- ← 2 Occlusives/waxes float the foundation
- ← 1.5 Humectant syrup tackiness (partly offset by the base)
- ← 1.5 High mineral load at #4 greys under foundation (tinted) (nano)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
- +3 1 film-forming polymers that lock the formula on for water resistance
Full ingredient list (52)
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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1 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
- 9 → dewy emollient lipid
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Legacy UV filter (Octinoxate), high in the list, a primary filter
- ↑ 18 UV protection
- ↑ 16 migrates into eyes with sweat
-
Mineral UV filter (Titanium Dioxide)
- ↑ 31.4 UV protection, incl. long-UVA (UVA1)
- ↑ 10 white marks, worst on dark fabric (washable)
- pills ← 1.5 High mineral load greys under foundation (tinted) (nano)
-
5 Glycerin
Humectant, pulls water into the skin
- 10 → nourishing the anchor humectant
-
Volatile hydrocarbon, flashes off for a light finish
- light ← 4 volatile carrier, flashes off
- matte ← 4 volatile carrier, flashes off
-
Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
-
Emollient, softens and smooths skin
-
Supporting ingredient
-
Emollient, softens and smooths skin
-
Volatile hydrocarbon, flashes off for a light finish
- light ← 2 volatile carrier, flashes off
- matte ← 2 volatile carrier, flashes off
-
Emollient, softens and smooths skin
- ↑ 3 heavy oil
-
Colorant or pigment
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- ↑ 28.8 UV protection, incl. long-UVA (UVA1)
-
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
-
16 Betaine
Humectant, pulls water into the skin
- 1 → nourishing humectant
-
Emollient, softens and smooths skin
-
Thickener and texture, structures the gel or cream
-
Emollient, softens and smooths skin
-
Preservative, keeps the formula from spoiling
-
Thickener and texture, structures the gel or cream
- ↑ 3 film former
-
Colorant or pigment
-
Preservative, keeps the formula from spoiling
-
Emollient, softens and smooths skin
-
Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
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26 Alumina
Supporting ingredient
-
Thickener and texture, structures the gel or cream
-
28 Fragrance
Fragrance
-
Supporting ingredient
-
Antioxidant, protects the formula and skin
-
Supporting ingredient
-
32 Ectoin
Soothing, skin-conditioning active
- 1 → nourishing humectant
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Soothing, skin-conditioning active
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Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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35 Stearic Acid
Emollient, softens and smooths skin
- ↑ 2 minor malassezia feeder
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Humectant, pulls water into the skin
-
Botanical extract
-
38 Ci 77492
Colorant or pigment
- ↑ 40 makeup-like collar marks (washable)
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39 Ci 77491
Colorant or pigment
-
Botanical extract
-
Antioxidant, protects the formula and skin
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Fragrance component, a declared allergen
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43 BHT
Antioxidant, protects the formula and skin
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Botanical extract
-
45 Geraniol
Fragrance component, a declared allergen
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Fragrance component, a declared allergen
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Botanical extract
-
Protein, peptide or amino acid, conditions and hydrates skin
-
Botanical extract
-
Supporting ingredient
- ↑ 9 feeds malassezia
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Protein, peptide or amino acid, conditions and hydrates skin
-
Humectant, pulls water into the skin