The INKEY List 15% Vitamin C And EGF Serum Versus Sephora Collection Super Glow Serum With Vitamin C+E

The INKEY List 15% Vitamin C And EGF Serum Versus Sephora Collection Super Glow Serum With Vitamin C+E Detailed comparison of The INKEY List 15% Vitamin C And EGF Serum versus Sephora Collection Super Glow Serum With Vitamin C+E. This brightening serum is formulated around Ascorbyl Glucoside to brighten dull-looking skin and fade the look of dark spots. This brightening serum is formulated around Sodium Ascorbyl Phosphate and 3-O-Ethyl Ascorbic Acid to brighten dull-looking skin and fade the look of dark spots. Water Ascorbyl Glucoside Sodium Hydroxide PEG-40 Hydrogenated Castor Oil Phenoxyethanol Benzyl Alcohol Butylene Glycol Xanthan Gum Ethylhexylglycerin Sodium Metabisulfite Dehydroacetic Acid Phytic Acid Oligopeptide-1 Water, Ascorbyl Glucoside, Sodium Hydroxide, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, Benzyl Alcohol, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Sodium Metabisulfite, Dehydroacetic Acid, Phytic Acid, Oligopeptide-1 Propanediol Pentylene Glycol Sodium Ascorbyl Phosphate 3-O-Ethyl Ascorbic Acid 1,2-Hexanediol Triethyl Citrate Glycerin Polyglyceryl-10 Laurate Tamarindus Indica Seed Gum Glyceryl Caprylate Citric Acid Sodium Gluconate Tocopherol Sodium Dehydroacetate Chlorella Vulgaris Extract Glucose Capsicum Annuum Fruit Extract Helianthus Annuus Seed Oil Rosmarinus Officinalis Leaf Extract Water, Propanediol, Pentylene Glycol, Sodium Ascorbyl Phosphate, 3-O-Ethyl Ascorbic Acid, 1,2-Hexanediol, Ascorbyl Glucoside, Triethyl Citrate, Glycerin, PEG-40 Hydrogenated Castor Oil, Polyglyceryl-10 Laurate, Tamarindus Indica Seed Gum, Glyceryl Caprylate, Phytic Acid, Citric Acid, Sodium Gluconate, Sodium Hydroxide, Sodium Metabisulfite, Tocopherol, Sodium Dehydroacetate, Chlorella Vulgaris Extract, Glucose, Capsicum Annuum Fruit Extract, Helianthus Annuus Seed Oil, Rosmarinus Officinalis Leaf Extract These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Ascorbyl Glucoside (AA-2G) is one of the most stable vitamin C derivatives out there. It's made by attaching a glucose molecule to ascorbic acid; this glucose "cap" shields the vitamin C from air, light, heat, and metal ions that normally cause pure ascorbic acid to oxidize. Once on your skin, the enzyme alpha-glucosidase snips off the glucose and gradually releases active ascorbic acid right where it's needed. Basically, it behaves like a slow-release pro-vitamin C with less of a stinging that high-strength ascorbic acid can cause. The research supports the classic vitamin C benefits as well. In lab and human studies, AA-2G slowed down the skin's production of melanin (the pigment behind dark spots) and helped shield skin cells against sun damage better than ascorbyl phosphate. These studies also showed AA-2G released vitamin C over a longer period. A frequently cited manufacturer trial found that a 2% AA-2G face cream significantly improved wrinkle depth and skin roughness after 45 days. And in 2009, a clinical trial showed it meaningfully lightened dark patches on the gums compared to a placebo. There's also collagen-synthesis support (since vitamin C is a required cofactor for that) and an antioxidant effect too. Typical usage is usually between 0.5-5% and most studies/products land around 2%. AA-2G performs best when formulated at a mildly acidic pH (~5-7) which is much gentler than the pH that pure vitamin C demands (~2.5-3.5). Just one thing worth knowing: the in-skin conversation rate is only about 55-60% by weight. So a 5% AA-2G product delivers roughly 2.75-3% of actual active vitamin C. On top of that, skin absorption is relatively low because the ingredient is water-soluble. PEG-40 Hydrogenated Castor Oil is an emulsifier derived from castor oil. As an emulsifying agent, it helps other ingredients like fragrances and fat-soluble vitamins dissolve cohesively. Due to its large molecule size, it doesn't penetrate beyond the skin's surface. This ingredient has a solid regulatory track record; the CIR Expert Panel first concluded it was safe for use in cosmetics at concentrations up to 100% in 1997. A 2012 reassessment reaffirmed that finding. Safety studies have also found no irritation or evidence of toxicity. A 2019 study did find this ingredient to grow Malassezia, so this ingredient may not be fungal acne safe. Phytic Acid is a gentle AHA and antioxidant. AHAs are chemical exfoliants that help remove dead skin cells. Phytic Acid has a slight and mild exfoliating effect. The chemical makeup makes it classified as an AHA, much like lactic acid. In some cases, it is a chelating agent. Chelating agents help prevent metals from binding to water, helping to stabilize the ingredients in a product. An interesting fact about phytic acid is that it is considered an antinutrient. People do not have the enzyme needed