ACM Laboratoire Duolys Spf 50+
72/100 overall score
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About this sunscreen
ACM Laboratoire Duolys SPF 50+ is a chemical-led hybrid using Ethylhexyl Methoxycinnamate, Octocrylene, Butyl Methoxydibenzoylmethane and modern filters like Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine and Ethylhexyl Triazone, plus some Titanium Dioxide. It has a balanced finish with low white cast, a lightweight feel and low breakout risk, though it may sting somewhat near the eyes. SPF 50+ gives good high protection and it works well under makeup. The 71.6/100 score makes it a reasonable everyday choice.
Ingredient & SPF scores
☀️
UV protection
Good
67
- +18 Ethylhexyl Methoxycinnamate at #3, UV filter
- +15.2 Octocrylene at #4, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #5, UV filter (UVA1 +15.2)
- +38.4 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #8, UV filter (UVA1 +12.8)
- +26.4 Titanium Dioxide at #10, UV filter (UVA1 +4)
- +13.2 Ethylhexyl Triazone at #13, UV filter
- −37.8 UVB coverage saturated
- −14.9 UVA2 coverage saturated
- ×0.75 Avobenzone + octinoxate degrade each other in sunlight
- +2 Label claims (SPF 50)
☢️
Health safety
Medium
50
- +100 Starting score
- −36 Octinoxate at #3 (regulatory/evidence concern)
- −10.5 Octocrylene at #4, stacked (regulatory/evidence concern)
- −3.5 Avobenzone at #5, stacked (regulatory/evidence concern)
🤧
Allergens
Low
97
- +100 Starting score
- −3 Photoallergen-tail UV filters (Octocrylene)
👻
White cast
Low
93
- +100 Starting score
- −7.5 Titanium Dioxide at #10 (nano)
- +0.5 Coated minerals (Aluminum Hydroxide)
🔥
Eye sting
Medium
53
- +100 Starting score
- −16 Avobenzone at #5, migrates into eyes with sweat
- −15 Octocrylene at #4, migrates into eyes with sweat
- −16 Octinoxate at #3, migrates into eyes with sweat
🪨
Heavy feel
Low
94
- +100 Starting score
- −6 Titanium Dioxide at #10
- −2 Polyethylene at #23, wax film
- +2 Volatile silicone at #7, flashes off
🍄
Fungal acne
Medium
61
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Elaeis Guineensis Oil)
- −28 2 long-chain (C12+) esters that feed Malassezia (Glyceryl Stearate, PEG-100 Stearate)
- −2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
👕
Fabric stains
High
25
- +100 Starting score
- −45 Avobenzone at #5, reacts with iron in wash water into rust-yellow stains
- −15 Octocrylene at #4, co-stains alongside avobenzone
- −10 Avobenzone + Octocrylene, the classic staining pair
- −5 Titanium Dioxide at #10, white marks, worst on dark fabric (washable)
💧
Moisture
Hydrating
LightNourishing
- ← 5 Volatile carriers flash off, leaving a dry finish
- → 10 Glycerin at #6, the anchor humectant
- → 1 1 emollient lipids (Elaeis Guineensis Oil)
✨
Finish
Balanced
MatteDewy
- ← 4 Volatile carriers flash off, leaving a dry finish
- ← 3 1 dry-touch emollients reduce greasy shine (Diisopropyl Sebacate)
- → 1 1 emollient lipids (Elaeis Guineensis Oil)
💄
Makeup base
Good
PillsPrimer
- → 5 Primer-style base, volatile silicones and dimethicone slip
- → 3 Dry-touch esters, smooth fast-absorbing base
- ← 3 Humectant syrup tackiness
🌊
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.
- ✨ Vitamin C
Full ingredient list (31)
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
- matte ← 3 dry-touch emollient, anti-shine
-
Legacy UV filter (Octinoxate), high in the list, a primary filter
- ↑ 18 UV protection
- ↑ 16 migrates into eyes with sweat
-
Legacy UV filter (Octocrylene)
- ↑ 15.2 UV protection
- ↓ 10.5 stacked (regulatory/evidence concern)
- ↑ 15 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
-
Legacy UV filter (Avobenzone)
- ↑ 28.5 UV protection, incl. long-UVA (UVA1)
- ↓ 3.5 stacked (regulatory/evidence concern)
- ↑ 16 migrates into eyes with sweat
- ↑ 45 reacts with iron in wash water into rust-yellow stains
-
6 Glycerin
Humectant, pulls water into the skin
- 10 → nourishing the anchor humectant
-
Volatile silicone, flashes off for a light finish
- light ← 5 volatile carrier, flashes off
- matte ← 4 volatile carrier, flashes off
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S), low in the list, likely a minor contributor
- ↑ 38.4 UV protection, incl. long-UVA (UVA1)
-
Emulsifier, keeps oil and water blended
-
Mineral UV filter (Titanium Dioxide), low in the list, likely a minor contributor
- ↑ 26.4 UV protection, incl. long-UVA (UVA1)
- ↑ 5 white marks, worst on dark fabric (washable)
-
Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
-
Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
-
Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- ↑ 13.2 UV protection
-
Emulsifier, keeps oil and water blended
-
Antioxidant, protects the formula and skin
-
16 Tocotrienols
Supporting ingredient
-
17 Pearl Powder
Supporting ingredient
-
Supporting ingredient
-
Preservative, keeps the formula from spoiling
-
Preservative, keeps the formula from spoiling
-
21 Xanthan Gum
Thickener and texture, structures the gel or cream
-
Supporting ingredient
-
23 Polyethylene
Emollient, softens and smooths skin
- ↑ 2 wax film
- ↑ 2 wax water lock
-
24 Stearic Acid
Emollient, softens and smooths skin
- ↑ 2 minor malassezia feeder
-
Emollient, softens and smooths skin
-
Preservative, keeps the formula from spoiling
-
Plant oil, an emollient
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
-
28 Tocopherol
Antioxidant, protects the formula and skin
-
29 BHT
Antioxidant, protects the formula and skin
-
Chelator, binds stray metal ions to keep the formula stable
-
31 Citric Acid
pH adjuster
Is ACM Duolys SPF 50 mineral or chemical?
It is a chemical-led hybrid. It uses Ethylhexyl Methoxycinnamate, Octocrylene and modern filters, with a small amount of Titanium Dioxide.
Does the ACM Laboratoire Duolys Spf 50+ sting the eyes?
It may sting somewhat near the eyes, so take care when applying close to the eye area. The rest of the wear is balanced and lightweight with low white cast.
Is the ACM Laboratoire Duolys Spf 50+ good under makeup?
Yes, it works well under makeup with a balanced finish and low breakout risk. With a 71.6/100 score and good SPF 50+ protection, it is a reasonable everyday option.