ACO Sun Stick Spf 50
89/100 overall score
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About this sunscreen
ACO Sun Stick is an SPF 50 hybrid sunscreen in stick form, combining chemical filters with Titanium Dioxide for broad-spectrum coverage. It has a dewy finish with a low white cast and a medium weight on the skin, and it is generally low-sting with low breakout risk and a good makeup base rating. With a score of 89.0/100 and excellent protection, it is a strong, convenient pick for targeted reapplication.
Ingredient & SPF scores
☀️
UV protection
Excellent
100
- +45.6 Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine at #5, UV filter (UVA1 +15.2)
- +34.2 Diethylamino Hydroxybenzoyl Hexyl Benzoate at #6, UV filter (UVA1 +20.9)
- +7.6 Ethylhexyl Salicylate at #7, UV filter
- +26.4 Titanium Dioxide at #8, UV filter (UVA1 +4)
- +24 Butyl Methoxydibenzoylmethane at #10, UV filter (UVA1 +12.8)
- +17.6 Ethylhexyl Triazone at #11, UV filter
- −23.1 UVB coverage saturated
- −24.4 UVA2 coverage saturated
- −7.9 UVA1 coverage saturated
- +2 Label claims (SPF 50)
☢️
Health safety
High
90
- +100 Starting score
- −10 Avobenzone at #10 (regulatory/evidence concern)
👻
White cast
Low
94
- +100 Starting score
- −7.5 Titanium Dioxide at #8 (nano)
- +0.7 PHSA dispersant, fights agglomeration
- +0.5 Coated minerals (Alumina)
🔥
Eye sting
Low
86
- +100 Starting score
- −8 Avobenzone at #10, migrates into eyes with sweat
- −6 Octisalate at #7, migrates into eyes with sweat
🪨
Heavy feel
Medium
56
- +100 Starting score
- −6 Titanium Dioxide at #8
- −6 Tribehenin at #12, wax film
- −20 Ozokerite at #1, wax film
- −12 Stick/balm format with a wax skeleton
🍄
Fungal acne
Low
89
- +100 Starting score
- −9 1 oils/butters that feed Malassezia (Canola Oil)
- −2 1 ubiquitous fatty ingredients (Stearic Acid), weak Malassezia signal
- +0 Dimethicone at #3, a safe base that does not feed Malassezia
👕
Fabric stains
Medium
42
- +100 Starting score
- −38 Avobenzone at #10, reacts with iron in wash water into rust-yellow stains
- −15 Uvinul A Plus (DHHB) at #6, oil-soluble UVA filter, fabric stains
- −5 Titanium Dioxide at #8, white marks, worst on dark fabric (washable)
💧
Moisture
Balanced
LightNourishing
- → 1 1 strong humectants (Panthenol)
- → 1 1 emollient lipids (Canola Oil)
✨
Finish
Dewy
MatteDewy
- ← 2 1 dry-touch emollients reduce greasy shine (Coco-Caprylate)
- → 10 2 emollient lipids (Canola Oil, C12-15 Alkyl Benzoate)
💄
Makeup base
Good
PillsPrimer
- → 4 Primer-style base, volatile silicones and dimethicone slip
- → 8 1 velvet elastomer fillers, blur and grip
- → 5 Dry-touch esters, smooth fast-absorbing base
- ← 9 Occlusives/waxes float the foundation
🌊
Water resistance
Resistant
Non-water-resistantWater-resistant
- +7 1 film-forming polymers that lock the formula on for water resistance
- +14 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.
- ✨ Vitamin E
- ✨ Panthenol (B5)
Full ingredient list (21)
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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Occlusive, seals moisture into the skin
- ↑ 20 wax film
- ↑ 10 wax water lock
-
Emollient, softens and smooths skin
- 9 → dewy emollient lipid
-
Emollient, softens and smooths skin
-
Emollient, softens and smooths skin
- matte ← 2 dry-touch emollient, anti-shine
-
Modern UV filter, broad-spectrum and photostable (Tinosorb S)
- ↑ 45.6 UV protection, incl. long-UVA (UVA1)
-
Modern UV filter, broad-spectrum and photostable (Uvinul A Plus)
- ↑ 34.2 UV protection, incl. long-UVA (UVA1)
- ↑ 15 oil-soluble UVA filter, fabric stains
-
Legacy UV filter (Octisalate)
- ↑ 7.6 UV protection
- ↑ 6 migrates into eyes with sweat
-
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)
-
Film former, locks the formula onto skin for water resistance
- ↑ 7 film former
-
Legacy UV filter (Avobenzone), low in the list, likely a minor contributor
- ↑ 24 UV protection, incl. long-UVA (UVA1)
- ↑ 8 migrates into eyes with sweat
- ↑ 38 reacts with iron in wash water into rust-yellow stains
-
Modern UV filter, broad-spectrum and photostable (Uvinul T 150), low in the list, likely a minor contributor
- ↑ 17.6 UV protection
-
12 Tribehenin
Emollient, softens and smooths skin
- ↑ 6 wax film
- ↑ 4 wax water lock
-
13 Canola Oil
Plant oil, an emollient
- 1 → nourishing emollient lipid
- 1 → dewy emollient lipid
- ↑ 9 feeds malassezia
-
Antioxidant, protects the formula and skin
-
Emollient, softens and smooths skin
-
16 Panthenol
Soothing, skin-conditioning active
- 1 → nourishing humectant
-
Emollient, softens and smooths skin
-
Preservative, keeps the formula from spoiling
-
19 Alumina
Supporting ingredient
-
20 Stearic Acid
Emollient, softens and smooths skin
- ↑ 2 minor malassezia feeder
-
Antioxidant, protects the formula and skin
Is ACO Sun Stick mineral or chemical?
It is a hybrid stick, combining chemical filters with Titanium Dioxide for broad-spectrum coverage. The stick format makes it handy for reapplication.
Does the ACO Sun Stick Spf 50 leave a white cast?
No, it is rated low for white cast and has a dewy finish, so it generally blends in without a visible film. The weight on the skin is medium.
Is ACO Sun Stick SPF 50 any good?
Yes, it scores 89.0/100 with excellent protection, making it a strong, convenient pick. Sting and breakout risk are both low and it works as a decent makeup base.