Biologique Recherche Protection UV SPF 50

Biologique Recherche Protection UV SPF 50 Ingredients in Biologique Recherche Protection UV SPF 50 explained: benefits, concerns, and detailed analysis of 42 ingredients including C12-15 Alkyl Benzoate, Zinc Oxide, and Pongamia Glabra Seed Oil A sunscreen with 42 ingredients, including spf, exfoliants, and vitamin E. This hybrid sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50. We independently verify ingredients, backed by peer-reviewed research. Suggest an update. C12-15 Alkyl Benzoate Zinc Oxide Pongamia Glabra Seed Oil Water Titanium Dioxide Argania Spinosa Kernel Oil Ethylhexyl Methoxycrylene Tocopheryl Acetate Octyldodecanol Buddleja Officinalis Flower Extract Pentylene Glycol Styrene/Acrylates Copolymer Oryzanol Polyhydroxystearic Acid Algae Extract Ferulic Acid Silybum Marianum Fruit Extract Ethyl Ferulate Bisabolol Carnosine Stearic Acid Glycerin Silica Mannitol Lecithin Acacia Senegal Gum Diatomaceous Earth Xanthan Gum Tocopherol Caprylic/Capric Triglyceride Hydrogenated Polycyclopentadiene Octyldodecyl Xyloside PEG-30 Dipolyhydroxystearate Isopropyl Titanium Triisostearate Aluminum Hydroxide Magnesium Aluminum Silicate PEG-8 Laurate Disodium EDTA Zinc Sulfate Phenoxyethanol Caprylyl Glycol Ethylhexylglycerin C12-15 Alkyl Benzoate, Zinc Oxide, Pongamia Glabra Seed Oil, Water, Titanium Dioxide, Argania Spinosa Kernel Oil, Ethylhexyl Methoxycrylene, Tocopheryl Acetate, Octyldodecanol, Buddleja Officinalis Flower Extract, Pentylene Glycol, Styrene/Acrylates Copolymer, Oryzanol, Polyhydroxystearic Acid, Algae Extract, Ferulic Acid, Silybum Marianum Fruit Extract, Ethyl Ferulate, Bisabolol, Carnosine, Stearic Acid, Glycerin, Silica, Mannitol, Lecithin, Acacia Senegal Gum, Diatomaceous Earth, Xanthan Gum, Tocopherol, Caprylic/Capric Triglyceride, Hydrogenated Polycyclopentadiene, Octyldodecyl Xyloside, PEG-30 Dipolyhydroxystearate, Isopropyl Titanium Triisostearate, Aluminum Hydroxide, Magnesium Aluminum Silicate, PEG-8 Laurate, Disodium EDTA, Zinc Sulfate, Phenoxyethanol, Caprylyl Glycol, Ethylhexylglycerin C12-15 Alkyl Benzoate is a lightweight emollient made by combinig benzoic acid with fatty alcohols that are 12-15 carbons long. In cosmetics, it plays several roles: The Cosmetic Review Expert Panel has concluded the alkyl benzoate group to be safe as used in cosmetics; it wasn't found to be a skin irritant and unlikely to be absorbed due to its low water solubility. This report recorded almost 1000 reported uses with concentrations up to 59% in leave-on products but your cosmetics will typically use 0.5-15% depending on the product. It's often called a "SPF booster": this is because it keeps UV filters properly dissolved and evenly distributed to support a sunscreen's performance. It doesn't actually raise SPF on its own. Overall, this ingredient is well tolerated. This ingredient is fungal acne safe because it is an ester of benzoic acid. Think of this ingredient as two parts stuck together: an oily part and an acid part. Malassezia only gets a meal when it can snip off a fatty acid to eat. With C12-15 Alkyl Benzoate, the acid part is benzoic acid, which isn't a fatty acid and which the yeast can't use as food. Benzoic acid is actually used as a preservative to stop yeast from growing. The oily part is a blend of C12-15 fatty alcohols but fatty alcohols in this size range can support only a little Malassezia growth (mostly for one species of Malassezia as well). In the ingredient, those alcohols stay locked inside the molecule. The yeast can only reach them by snipping the benzoate bond, and that type of bond is harder for it to cut than a normal fatty bond. So not much gets released. And whatever does get snipped comes packaged with benzoic acid, which discourages yeast growth. Zinc Oxide (ZO) is a mineral broad-spectrum UV filter and the broadest-spectrum filter recognized by the FDA. It covers everything from UVB through to long-wave UVA. On top of sun protection, it has skin protectant and skin-soothing properties too. Here's a myth worth busting: mineral filters are usually described as working by "reflecting" or "bouncing" UV off your skin. That's mostly not true: when researchers actually measured it, ZO and Titanium Dioxide reflect only about 4-5% of UV (less than SPF 2 worth of protection). The vast majority of the work (~95%) is done by absorption, similar to chemical UV filters. ZO is a semiconductor that absorbs UV photos through its energy band gap. So the old "physical blocker vs. chemical absorber" framing is really an oversimplification. Zinc Oxide is one of the most effective broad-spectrum UV filters out there. It protects across UVB, UVA2, and UVA1 with a flat, even absorption curve across the whole UVA-UVB range. That uniform UVA coverage is its standout feature; titanium dioxide skews more toward UVB as its particle size drops so ZO gives more consistent and extended UVA protection. It's also very photostable. As an inorganic oxide, ZO doesn't break down in sunlight the way some organic filters can, so it holds up over a da No written reviews yet. Be the first to review this product. Search reviews by skin type, ingredient, or keyword. Biologique Recherche is a French brand With an SPF rating of 50, this product protects against 98.0% of UVB rays We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there. The data we've presented on this page has been verified by a member of the SkinSort Team. · Updated September 10, 2024 • Added by dianaisabelrodrigues