Dr. C. Tuna Body Lotion Sunscreen 50 SPF
62/100 overall score
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Ingredient & SPF scores
☀️
UV protection
Moderate
44
- +30 Butyl Methoxydibenzoylmethane at #1, UV filter (UVA1 +16)
- +18 Ethylhexyl Methoxycinnamate at #2, UV filter
- +12 Homosalate at #3, UV filter
- +15.2 Octocrylene at #4, UV filter
- −9.4 UVB coverage saturated
- ×0.9 Limited long-UVA1 coverage
- ×0.75 Avobenzone + octinoxate degrade each other in sunlight
☢️
Health safety
Medium
33
- +100 Starting score
- −40 Homosalate at #3 (regulatory/evidence concern)
- −12.6 Octinoxate at #2, stacked (regulatory/evidence concern)
- −10.5 Octocrylene at #4, stacked (regulatory/evidence concern)
- −3.5 Avobenzone at #1, stacked (regulatory/evidence concern)
- +0 2 endocrine-scrutinized filters together
🤧
Allergens
Low
97
- +100 Starting score
- −3 Photoallergen-tail UV filters (Octocrylene)
🔥
Eye sting
Medium
36
- +100 Starting score
- −24 Avobenzone at #1, migrates into eyes with sweat
- −15 Octocrylene at #4, migrates into eyes with sweat
- −16 Octinoxate at #2, migrates into eyes with sweat
- −9 Homosalate at #3, migrates into eyes with sweat
🔴
Comedogenic
Low
98
- +100 Starting score
- −2 Ethylhexyl Palmitate at #15, heavy comedogenic ester
🍄
Fungal acne
Medium
50
- +100 Starting score
- −50 4 long-chain (C12+) esters that feed Malassezia (Ethylhexyl Palmitate, PEG-100 Stearate, Glyceryl Stearate)
👕
Fabric stains
High
25
- +100 Starting score
- −50 Avobenzone at #1, 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
💧
Moisture
Balanced
LightNourishing
- ← 3 1 sebum-absorbing powders (Silica)
- ← 2 Volatile carriers flash off, leaving a dry finish
- → 4 Glycerin at #10, the anchor humectant
- → 2 Sodium Hyaluronate at #28, hyaluronic family
- → 2 2 strong humectants (Urea, Trehalose)
- → 0.5 1 fatty-alcohol emollients (Cetearyl Alcohol)
✨
Finish
Balanced
MatteDewy
- ← 3 1 sebum-absorbing powders (Silica)
- ← 2 Volatile carriers flash off, leaving a dry finish
- → 6 1 emollient lipids (C12-15 Alkyl Benzoate)
- → 1 1 slippy emollient esters (Ethylhexyl Palmitate)
💄
Makeup base
Good
PillsPrimer
- → 2 Primer-style base, volatile silicones and dimethicone slip
- → 3 1 soft-focus powders in moderation
- → 2 Dry-touch esters, smooth fast-absorbing base
- ← 0.5 Gel polymers prone to pilling under friction (Acrylates/C10-30 Alkyl Acrylate Crosspolymer)
🌊
Water resistance
Not resistant
Non-water-resistantWater-resistant
Nothing flagged in the ingredient list.
How we rate water resistance →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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Legacy UV filter (Avobenzone), high in the list, a primary filter
- ↑ 30 UV protection, incl. long-UVA (UVA1)
- ↓ 3.5 stacked (regulatory/evidence concern)
- ↑ 24 migrates into eyes with sweat
- ↑ 50 reacts with iron in wash water into rust-yellow stains
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Legacy UV filter (Octinoxate), high in the list, a primary filter
- ↑ 18 UV protection
- ↓ 12.6 stacked (regulatory/evidence concern)
- ↑ 16 migrates into eyes with sweat
-
Legacy UV filter (Homosalate), high in the list, a primary filter
- ↑ 12 UV protection
- ↑ 9 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
-
5 Water
Solvent base, the water phase
-
Emollient, softens and smooths skin
- 6 → dewy emollient lipid
-
Emulsifier, keeps oil and water blended
- ↑ 24 feeds malassezia
-
Emulsifier, keeps oil and water blended
- ↑ 14 feeds malassezia
-
Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 → nourishing fatty-alcohol emollient
-
10 Glycerin
Humectant, pulls water into the skin
- 4 → nourishing the anchor humectant
-
11 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 3 sebum-absorbing powder
- matte ← 3 sebum-absorbing powder
-
Volatile silicone, flashes off for a light finish
- light ← 2 volatile carrier, flashes off
- matte ← 2 volatile carrier, flashes off
-
13 Ceteareth-20
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Emollient, softens and smooths skin
-
Emollient, softens and smooths skin
- ↑ 2 heavy comedogenic ester
- 1 → dewy slippy emollient ester
- ↑ 9 feeds malassezia
-
Preservative, keeps the formula from spoiling
-
17 Dimethicone
Emollient, softens and smooths skin
-
Thickener and texture, structures the gel or cream
-
Humectant, pulls water into the skin
-
Antioxidant, protects the formula and skin
-
21 Trehalose
Humectant, pulls water into the skin
- 1 → nourishing humectant
-
22 Urea
Humectant, pulls water into the skin
- 1 → nourishing humectant
-
23 Serine
Protein, peptide or amino acid, conditions and hydrates skin
-
Humectant, pulls water into the skin
-
25 Xanthan Gum
Thickener and texture, structures the gel or cream
-
26 Algin
Thickener and texture, structures the gel or cream
-
Preservative, keeps the formula from spoiling
-
Humectant, pulls water into the skin
- 2 → nourishing hyaluronic family
-
29 Pullulan
Supporting ingredient
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Chelator, binds stray metal ions to keep the formula stable
-
pH adjuster