Cantabria Labs Biretix Hydramat Day Spf 30
66/100 overall score
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Ingredient & SPF scores
☀️
UV protection
Good
59
- +16 Octocrylene at #2, UV filter
- +8 Ethylhexyl Salicylate at #3, UV filter
- +11.4 Homosalate at #4, UV filter
- +28.5 Butyl Methoxydibenzoylmethane at #5, UV filter (UVA1 +15.2)
- ×0.9 Limited long-UVA1 coverage
- +1 Label claims (SPF 30)
☢️
Health safety
Low
30
- +100 Starting score
- −40 Homosalate at #4 (regulatory/evidence concern)
- −10.5 Octocrylene at #2, stacked (regulatory/evidence concern)
- −3.5 Avobenzone at #5, stacked (regulatory/evidence concern)
- −11 BHA at #38, on a regulatory carcinogenicity watchlist (IARC 2B)
- −5 Retinol at #14, disputed vitamin-A sunlight signal, under review
🤧
Allergens
Low
97
- +100 Starting score
- −3 Photoallergen-tail UV filters (Octocrylene)
🔥
Eye sting
Medium
47
- +100 Starting score
- −16 Avobenzone at #5, migrates into eyes with sweat
- −22 Octocrylene at #2, migrates into eyes with sweat
- −6 Homosalate at #4, migrates into eyes with sweat
- −9 Octisalate at #3, migrates into eyes with sweat
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Fungal acne
Low
79
- +100 Starting score
- −12 1 polysorbate/sorbitan emulsifiers that feed Malassezia (Polysorbate 20)
- −9 1 oils/butters that feed Malassezia (Hydrogenated Lecithin)
👕
Fabric stains
High
30
- +100 Starting score
- −45 Avobenzone at #5, reacts with iron in wash water into rust-yellow stains
- −15 Octocrylene at #2, co-stains alongside avobenzone
- −10 Avobenzone + Octocrylene, the classic staining pair
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Moisture
Balanced
LightNourishing
- ← 4.5 2 sebum-absorbing powders (Silica, Nylon-12)
- → 4 Sodium Hyaluronate Crosspolymer at #12, hyaluronic family
- → 4 1 strong humectants (Saccharide Isomerate)
- → 1 Humectant polyols
- → 0.5 1 fatty-alcohol emollients (C20-22 Alcohols)
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Makeup base
Okay
PillsPrimer
- → 3 1 soft-focus powders in moderation
- ← 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 →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.
- ✨ Niacinamide
- ✨ Vitamin C
Full ingredient list (38)
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
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Legacy UV filter (Octocrylene), high in the list, a primary filter
- ↑ 16 UV protection
- ↓ 10.5 stacked (regulatory/evidence concern)
- ↑ 22 migrates into eyes with sweat
- ↑ 15 co-stains alongside avobenzone
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Legacy UV filter (Octisalate), high in the list, a primary filter
- ↑ 8 UV protection
- ↑ 9 migrates into eyes with sweat
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Legacy UV filter (Homosalate)
- ↑ 11.4 UV protection
- ↑ 6 migrates into eyes with sweat
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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
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Humectant, pulls water into the skin
- 4 → nourishing humectant
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Humectant, pulls water into the skin
- 1 → nourishing humectant polyol
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Soothing, skin-conditioning active
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9 Nylon-12
Mattifying powder, absorbs oil and blurs the finish
- light ← 3 sebum-absorbing powder
- matte ← 3 sebum-absorbing powder
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Emulsifier, keeps oil and water blended
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Fatty alcohol, an emollient and thickener, not the drying kind
- 0.5 → nourishing fatty-alcohol emollient
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Humectant, pulls water into the skin
- 4 → nourishing hyaluronic family
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13 Zinc Pca
Humectant, pulls water into the skin
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14 Retinol
Supporting ingredient
- ↓ 5 disputed vitamin-A sunlight signal, under review
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Antioxidant, protects the formula and skin
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16 Citric Acid
pH adjuster
-
Supporting ingredient
-
Emulsifier, keeps oil and water blended
- ↑ 9 feeds malassezia
-
Humectant, pulls water into the skin
-
Antioxidant, protects the formula and skin
-
Preservative, keeps the formula from spoiling
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Thickener and texture, structures the gel or cream
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Preservative, keeps the formula from spoiling
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Preservative, keeps the formula from spoiling
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25 Propanediol
Humectant, pulls water into the skin
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Antioxidant, protects the formula and skin
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27 Arginine
pH adjuster
-
28 PEG-8
Emulsifier, keeps oil and water blended
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29 Silica
Mattifying powder, absorbs oil and blurs the finish
- light ← 1.5 sebum-absorbing powder
- matte ← 1 sebum-absorbing powder
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Humectant, pulls water into the skin
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31 Tocopherol
Antioxidant, protects the formula and skin
-
Supporting ingredient
-
Humectant, pulls water into the skin
-
Emulsifier, keeps oil and water blended
- ↑ 12 feeds malassezia
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Chelator, binds stray metal ions to keep the formula stable
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pH adjuster
-
37 BHT
Antioxidant, protects the formula and skin
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38 BHA
Antioxidant, protects the formula and skin
- ↓ 11 on a regulatory carcinogenicity watchlist (IARC 2B)