Paula's Choice Extra Care Non-Greasy Sunscreen SPF 50 Versus Ultrasun Face Anti-Ageing Lotion SPF 30

Paula's Choice Extra Care Non-Greasy Sunscreen SPF 50 Versus Ultrasun Face Anti-Ageing Lotion SPF 30 Detailed comparison of Paula's Choice Extra Care Non-Greasy Sunscreen SPF 50 versus Ultrasun Face Anti-Ageing Lotion SPF 30. This hybrid sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50. This hybrid sunscreen covers the full UV range and blocks ~97% of UVB at SPF 30. Homosalate 10% Benzophenone-3 6% Ethylhexyl Salicylate 5% Butyl Methoxydibenzoylmethane 3% Octocrylene 2% Water Butylene Glycol PEG-8 Polyethylene Silica Dimethicone Picrasma Excelsa Wood Extract Sodium Ascorbyl Phosphate Retinyl Palmitate Tocopherol Tocopheryl Acetate Titanium Dioxide Aloe Barbadensis Leaf Juice Bentonite Methyl Glucose Sesquistearate Acrylates/C10-30 Alkyl Acrylate Crosspolymer Sodium Polyacrylate Kaolin Ethylhexylglycerin Disodium EDTA Sodium Hydroxide Phenoxyethanol Chlorphenesin Homosalate 10%, Benzophenone-3 6%, Ethylhexyl Salicylate 5%, Butyl Methoxydibenzoylmethane 3%, Octocrylene 2%, Water, Butylene Glycol, PEG-8, Polyethylene, Silica, Dimethicone, Picrasma Excelsa Wood Extract, Sodium Ascorbyl Phosphate, Retinyl Palmitate, Tocopherol, Tocopheryl Acetate, Titanium Dioxide, Aloe Barbadensis Leaf Juice, Bentonite, Methyl Glucose Sesquistearate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Polyacrylate, Kaolin, Ethylhexylglycerin, Disodium EDTA, Sodium Hydroxide, Phenoxyethanol, Chlorphenesin Caprylic/Capric Triglyceride Pentylene Glycol Methylene Bis-Benzotriazolyl Tetramethylbutylphenol Ethylhexyl Salicylate Glycerin Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine C12-15 Alkyl Benzoate Diethylamino Hydroxybenzoyl Hexyl Benzoate Ethylhexyl Triazone C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer Polyacrylate Crosspolymer-6 Squalane Ectoin Cocoglycerides Hydrogenated Phosphatidylcholine Vitis Vinifera Seed Extract Decyl Glucoside Propyl Alcohol Alcohol Cetyl Phosphate Xanthan Gum Propylene Glycol T-Butyl Alcohol Lecithin Ascorbyl Tetraisopalmitate Diisopropyl Adipate Ubiquinone Water, Caprylic/Capric Triglyceride, Pentylene Glycol, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Titanium Dioxide, Ethylhexyl Salicylate, Glycerin, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, C12-15 Alkyl Benzoate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer, Polyacrylate Crosspolymer-6, Squalane, Ectoin, Cocoglycerides, Hydrogenated Phosphatidylcholine, Vitis Vinifera Seed Extract, Decyl Glucoside, Silica, Propyl Alcohol, Alcohol, Cetyl Phosphate, Xanthan Gum, Propylene Glycol, T-Butyl Alcohol, Lecithin, Tocopheryl Acetate, Ascorbyl Tetraisopalmitate, Tocopherol, Diisopropyl Adipate, Ubiquinone These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Ethylhexyl Salicylate (also called Octisalate or Octyl Salicylate) is an oil-soluble organic UV filter that's been used in sunscreen since the 1950's. It absorbs UVB light in the 280-320 nm range with a peak absorbance around 306 nm. You'll often see it paired with other UV filters to boost overall SPF because octisalate is a fairly week filter on its own. The reason you'll see it so often is because it can help solubilize and stabilize the trickier filters like oxybenzone and avobenzone. Unlike these filters, octisalate has pretty good photostability and doesn't create skin-damaging free radicals when exposed to sunlight. The fatty-alcohol part of the molecule also gives it a light, emollient feel so it doubles as a nice texture enhancer. Usage levels vary around the world: Safety-wise, this ingredient has a pretty reassuring track record. The EU's Scientific Committee on Consumer Products (SCCP) found very low skin penetration in human skin tests and negative results for irritation, phototoxicity, and photoallergy. The real-world allergy risk is pretty low too; a 2012 European study of 1,031 people recorded only 2 reactions to it (a rate of 0.19%). You might have seen scary headlines about sunscreen getting into your blood. In 2019, the FDA found that several chemical filters can absorb through the skin and show up in the bloodstream at small but measurable levels. Here's the important part: these tiny levels are just a cutoff the FDA uses to decide which ingredients need more testing and doesn't mean anything harmful was found. The researchers were clear that the results are no reason to stop wearing sunscreen. Silica, also known as silicon dioxide, is a naturally occurring mineral. It is used as a fine, spherical, and porous powder in cosmetics. Though it has exfoliant properties, the function of silica varies depending on the product. The unique structure of silica enhances the spreadability and adds smoothness, making it a great texture enhancer. It is also used as an active carrier, emulsifier, and mattifier due to its ability to absorb excess oil. In some products, tiny microneedles called spicules are made from silica or hydrolyzed sponge. When you rub them in, they lightly polish away dead skin layers and enhance the penetration of active ingredients. Titanium Dioxide (TD) is a mineral UV filter widely used in sunscreens and cosmetics. It's one of only two UV filters officially classified as "mineral" by regulatory agencies (the other being Zinc Oxide). A really common myth is that mineral filters work by reflecting UV light off your skin like tiny mirrors. They don't only do that; modern research shows TD protects mostly by absorbing UV radiation, the same way chemical filters do. When researchers measured this, reflection accounted for only about 4-5% of the protection (and less than SPF 2 on its own). Th