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PREP Prep 5 Sunscreen
Lab tested
No
Harmful ingredients
5
Why this score
For every scoring factor, open the breakdown from the score above.
Homosalate
Endocrine disruption potential, skin penetration, possible environmental toxicity, bioaccumulation
Octocrylene
Skin absorption, potential allergen, environmental persistence, potential for generating benzophenone (a potential carcinogen), suspected endocrine disruption, bioaccumulation in aquatic environments
PEG-100 Stearate
Potential contamination with ethylene oxide or 1,4-dioxane during manufacturing, possible mild gut irritation, synthetic origin, ultra-processed
Octyl Salicylate
Skin irritation or allergic reaction in sensitive individuals
Silica Silylate
Limited long-term safety data, ultra-processed additive, potential for inhalation toxicity in powder form
Simmondsia Chinensis Seed Oil
Moisturizing, anti-inflammatory, antioxidant properties, promotes skin barrier health
Squalane
Moisturizing, emollient, enhances skin barrier, non-irritating, lightweight texture
Glyceryl Stearate
Emollient and emulsifier improving skin texture and product stability
Solanum Lycopersicum (Tomato) Fruit Extract
Contains antioxidants, source of vitamins, potential antioxidant support
Sodium Benzoate
Preserves food and beverage freshness, inhibits microbial growth
Raspberry Extract
Antioxidant properties, anti-inflammatory potential, may support metabolic health (preliminary evidence)
Water
Hydration, solvent for ingredients, essential for life
Butyl Methoxydibenzoylmethane
Effective broad-spectrum UVA protection when stabilized
Gluconolactone
Exfoliation by gentle keratolysis, skin hydration due to humectant properties
Cetiol SN
Emollient, skin conditioning, enhances texture and spreadability in topical products
Hyaluronic Acid
Joint lubrication, skin hydration, may reduce symptoms of osteoarthritis
cream
See product ratings, lab test results, and expert analysis of water quality and filtration systems.
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