e.l.f. cosmetics Beauty Shield Vitamin C Pollution Prevention Serum Versus Vivier Pharma C E Peptides

e.l.f. cosmetics Beauty Shield Vitamin C Pollution Prevention Serum Versus Vivier Pharma C E Peptides Detailed comparison of e.l.f. cosmetics Beauty Shield Vitamin C Pollution Prevention Serum versus Vivier Pharma C E Peptides. This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid to brighten dull-looking skin and fade the look of dark spots. This brightening serum is formulated around Ascorbic Acid and Tocopherol to brighten dull-looking skin and soften the look of wrinkles. Water Ethoxydiglycol 3-O-Ethyl Ascorbic Acid Glycerin Propylene Glycol Tocopheryl Acetate Sodium Hyaluronate Punica Granatum Extract Butylene Glycol Coceth-7 PPG-1-PEG-9 Lauryl Glycol Ether PEG-40 Hydrogenated Castor Oil Disodium EDTA Caprylyl Glycol Ethylhexylglycerin Phenoxyethanol Parfum Water, Ethoxydiglycol, 3-O-Ethyl Ascorbic Acid, Glycerin, Propylene Glycol, Tocopheryl Acetate, Sodium Hyaluronate, Punica Granatum Extract, Butylene Glycol, Coceth-7, PPG-1-PEG-9 Lauryl Glycol Ether, PEG-40 Hydrogenated Castor Oil, Disodium EDTA, Caprylyl Glycol, Ethylhexylglycerin, Phenoxyethanol, Parfum Ascorbic Acid 10% Pentylene Glycol Polysorbate 20 PPG-26-Buteth-26 Polysorbate 60 Citrus Grandis Extract Tocopherol Hydrolyzed Yeast Protein Lysine Hcl Palmitoyl Tripeptide-5 Ascorbic Acid 10%, Pentylene Glycol, Butylene Glycol, Propylene Glycol, Water, Polysorbate 20, Ethoxydiglycol, PPG-26-Buteth-26, Polysorbate 60, PEG-40 Hydrogenated Castor Oil, Citrus Grandis Extract, Tocopherol, Parfum, Glycerin, Hydrolyzed Yeast Protein, Lysine Hcl, Palmitoyl Tripeptide-5 These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. Ethoxydiglycol (aka Diethylene Glycol Monoethyl Ether) is one of the cosmetic world's quiet problem solvers. In a formula, it is a solvent that dissolves tricky ingredients that don't want to mix in and helps spread ingredients evenly across your skin without leaving a greasy or sticky feeling This makes it great for hard-to-dissolve actives like vitamin C, benzoyl peroxide, and self-tanner DHA. It also has mild humectant and penetration enhancer abilities so it can help some actives absorb a little deeper. The penetration boost is backed by lab research: studies using human skin samples found it improved how well an active dissolves into the upper layer of skin rather than tearing down your skin barrier. Reviews of its mechanism also describe it interacting gently with the lipids and water in your outermost layer of skin. Just know this penetration-enhancing effect is not universal. It helps a lot in some formulas and did very little in others (so the benefit really depends on the specific product). Safety-wise, the evidence is reassuring. The Cosmetic Ingredient Review Expert Panel reviewed it and concluded it's safe for use in cosmetics and recognized it as non-irritating, non-sensitizing, and non-comedogenic in skincare. Typical leave-on skincare usage lands around 1-10%. The EU has sets caps of 2.6% in non-spray products, 10% in rinse-offs, 7% in oxidative hair dye, and 5% in non-oxidative hair dye. 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. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products. Just know very high concentrations (>40%) can feel tacky in low humidity. Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine. Parfum is a catch-all term for an ingredient or more that is used to give a scent to products. Also called "fragrance", this ingredient can be a blend of