Biore UV Watery Gel Sunscreen SPF 50+ PA++++ Versus Beauty of Joseon Daily Relief Sunscreen SPF 40

Biore UV Watery Gel Sunscreen SPF 50+ PA++++ Versus Beauty of Joseon Daily Relief Sunscreen SPF 40 Detailed comparison of Biore UV Watery Gel Sunscreen SPF 50+ PA++++ versus Beauty of Joseon Daily Relief Sunscreen SPF 40. This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50. This chemical sunscreen covers most of the UV range, lighter on the deep UVA that drives aging. Water Alcohol Ethylhexyl Methoxycinnamate Ethylhexyl Triazone Isopropyl Palmitate Lauryl Methacrylate/Sodium Methacrylate Crosspolymer Diethylamino Hydroxybenzoyl Hexyl Benzoate Hydrogenated Polyisobutene Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine Dextrin Palmitate Butylene Glycol Xylitol Acrylates/C10-30 Alkyl Acrylate Crosspolymer Dimethicone C12-15 Alkyl Benzoate Glycerin Glyceryl Stearate Propanediol Glyceryl Behenate Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer Cetearyl Alcohol Agar Sorbitan Distearate Isoceteth-20 Polyvinyl Alcohol Dimethicone/Vinyl Dimethicone Crosspolymer Sodium Stearoyl Glutamate Arginine Potassium Hydroxide Sodium Hydroxide Royal Jelly Extract Sodium Hyaluronate Phenoxyethanol Disodium EDTA BHT Parfum Water, Alcohol, Ethylhexyl Methoxycinnamate, Ethylhexyl Triazone, Isopropyl Palmitate, Lauryl Methacrylate/Sodium Methacrylate Crosspolymer, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Hydrogenated Polyisobutene, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Dextrin Palmitate, Butylene Glycol, Xylitol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Dimethicone, C12-15 Alkyl Benzoate, Glycerin, Glyceryl Stearate, Propanediol, Glyceryl Behenate, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Cetearyl Alcohol, Agar, Sorbitan Distearate, Isoceteth-20, Polyvinyl Alcohol, Dimethicone/Vinyl Dimethicone Crosspolymer, Sodium Stearoyl Glutamate, Arginine, Potassium Hydroxide, Sodium Hydroxide, Royal Jelly Extract, Sodium Hyaluronate, Phenoxyethanol, Disodium EDTA, BHT, Parfum Homosalate Butyloctyl Salicylate Octocrylene Ethylhexyl Salicylate Dipropylene Glycol Diethylhexyl 2,6-Naphthalate Polymethylsilsesquioxane Butyl Methoxydibenzoylmethane Caprylyl Methicone 1,2-Hexanediol Silica Vp/Eicosene Copolymer Pentylene Glycol Behenyl Alcohol Poly C10-30 Alkyl Acrylate Polyglyceryl-3 Methylglucose Distearate Inulin Lauryl Carbamate Tromethamine Carbomer Ethylhexylglycerin Polyacrylate Crosspolymer-6 Oryza Sativa Extract T-Butyl Alcohol Tocopherol Water, Homosalate, Butyloctyl Salicylate, Octocrylene, Ethylhexyl Salicylate, Dipropylene Glycol, Diethylhexyl 2,6-Naphthalate, Polymethylsilsesquioxane, Butyl Methoxydibenzoylmethane, Glycerin, Caprylyl Methicone, 1,2-Hexanediol, Silica, Vp/Eicosene Copolymer, Pentylene Glycol, Behenyl Alcohol, Poly C10-30 Alkyl Acrylate, Polyglyceryl-3 Methylglucose Distearate, Cetearyl Alcohol, Glyceryl Stearate, Inulin Lauryl Carbamate, Tromethamine, Carbomer, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Stearoyl Glutamate, Ethylhexylglycerin, Polyacrylate Crosspolymer-6, Oryza Sativa Extract, T-Butyl Alcohol, Tocopherol These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products. As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied. It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin. A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record. Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is an emollient and emulsifier. Despite having "alcohol" in its name, it has nothing to do with drying solvent alcohols; the FDA also allows "alcohol-free" products to contain fatty alcohols like this ingredient. It plays several roles in a formula: Typical use levels for this ingredient sit around 1-10% and the Cosmetic Ingredient Review Expert Panel has affirmed safety at concentrations up to 25% in leave-on products. Multiple assessments have found it to be non-irritating and non-sensitizing to most people. However, there have been some cases of allergic contact dermatitis in patients with chronically compromised skin barriers. Cetearyl alcohol has a comedogenic rating of 2 and irritancy rating of 1. Both of these numbers come from the 1989 study that used rabbit ears; a "2" means mildly comedogenic and a "1" means low irritancy. Here's the catch: rabbit skin is more sensitive than human skin and throws a lot of false positives. A 1996 reappraisal found that ingredients rated 1-2 in the rabbit ear tests are generally safe for humans. Remember comedogenic ratings are unable to assess the entire formula of a product or how it will react on your skin. Just be sure to patch test if you are unsure about certain ingredients. This ingredient is not fungal acne safe. Cetearyl alcohol is a fatty alcohol with chain lengths that fall within the range that Malassezia can metabolize. A 2019 study has also observed Malassezia growth in the presence of this ingredient, confirming it to be not-fungal acne safe. Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum. Topically, glycerin does several things at once: Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3. Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin. This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typic