The INKEY List Retinol Serum Versus Naturium Vitamin C Super Serum Plus

The INKEY List Retinol Serum Versus Naturium Vitamin C Super Serum Plus Detailed comparison of The INKEY List Retinol Serum versus Naturium Vitamin C Super Serum Plus. This anti-aging serum is formulated around Retinyl Acetate and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and refine skin texture. This brightening serum is formulated around Niacinamide and Ascorbic Acid to brighten dull-looking skin and soften the look of wrinkles. Water Glycerin Butylene Glycol Propanediol Dicaprylyl Carbonate Retinyl Acetate Dimethicone Phenoxyethanol Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Caprylyl Glycol Phospholipids Squalane Glycine Soja Oil Carbomer Polysorbate 60 Tocopheryl Acetate Glycolipids Sodium Hydroxide Sodium Phytate Sorbitan Isostearate Glycine Soja Sterols Tetrahexyldecyl Ascorbate Leuconostoc/Radish Root Ferment Filtrate Hyaluronic Acid Sodium Lactate Tocopherol Polysorbate 20 Palmitoyl Tetrapeptide-7 Palmitoyl Tripeptide-1 Water, Glycerin, Butylene Glycol, Propanediol, Dicaprylyl Carbonate, Retinyl Acetate, Dimethicone, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Caprylyl Glycol, Phospholipids, Squalane, Glycine Soja Oil, Carbomer, Polysorbate 60, Tocopheryl Acetate, Glycolipids, Sodium Hydroxide, Sodium Phytate, Sorbitan Isostearate, Glycine Soja Sterols, Tetrahexyldecyl Ascorbate, Leuconostoc/Radish Root Ferment Filtrate, Hyaluronic Acid, Sodium Lactate, Tocopherol, Polysorbate 20, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1 Niacinamide Ascorbic Acid Glutathione Aloe Barbadensis Leaf Juice Retinol Sodium Hyaluronate Hydroxyethylcellulose Salicylic Acid Humulus Lupulus Extract Glyceryl Polyacrylate Potassium Sorbate Copernicia Cerifera Wax Hexylene Glycol Sorbitol Sorbitan Oleate Acrylamide/Sodium Acryloyldimethyltaurate Copolymer Helianthus Annuus Seed Oil Isohexadecane Polysorbate 80 1,2-Hexanediol Amylopectin Dextrin Polydextrose Disodium Cocoamphodiacetate Xanthan Gum Citric Acid Sodium Benzoate Disodium Phosphate Gold Ethyl Ferulate Sodium Phosphate Water, Niacinamide, Propanediol, Glycerin, Ascorbic Acid, Glutathione, Aloe Barbadensis Leaf Juice, Retinol, Sodium Hyaluronate, Caprylyl Glycol, Hydroxyethylcellulose, Carbomer, Salicylic Acid, Tocopheryl Acetate, Humulus Lupulus Extract, Glyceryl Polyacrylate, Potassium Sorbate, Copernicia Cerifera Wax, Hexylene Glycol, Sorbitol, Sodium Hydroxide, Sorbitan Oleate, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Helianthus Annuus Seed Oil, Phenoxyethanol, Isohexadecane, Polysorbate 80, Polysorbate 20, 1,2-Hexanediol, Amylopectin, Dextrin, Polydextrose, Disodium Cocoamphodiacetate, Xanthan Gum, Tocopherol, Citric Acid, Sodium Benzoate, Disodium Phosphate, Gold, Polysorbate 60, Ethyl Ferulate, Sodium Phosphate These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created. Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin. Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on). Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture. Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%. It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier. Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%. A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions. 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. Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!). It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome. On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive. Another perk of this ingredient is that it stays functional across a wide pH range (3-10). You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own. Typical use concentrations range from 0.3-1% depending on the