Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Medik8 Super C Ferulic Versus Paula's Choice C15 Super Booster

Medik8 Super C Ferulic Versus Paula's Choice C15 Super Booster Detailed comparison of Medik8 Super C Ferulic versus Paula's Choice C15 Super Booster. This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid and Ferulic Acid to brighten dull-looking

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Medik8 Super C Ferulic Versus Paula's Choice C15 Super Booster Detailed comparison of Medik8 Super C Ferulic versus Paula's Choice C15 Super Booster. This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid and Ferulic Acid to brighten dull-looking skin and fade the look of dark spots. This brightening serum is formulated around Ascorbic Acid and Ferulic Acid to brighten dull-looking skin and soften the look of wrinkles. Methoxymethylbutanol 3-O-Ethyl Ascorbic Acid Propylene Glycol Butylene Glycol Pentylene Glycol Ferulic Acid Tetrahydrodiferuloylmethane Water Tocopheryl Acetate Methoxymethylbutanol, 3-O-Ethyl Ascorbic Acid, Propylene Glycol, Butylene Glycol, Pentylene Glycol, Ferulic Acid, Tetrahydrodiferuloylmethane, Water, Tocopheryl Acetate Ascorbic Acid Dipropylene Glycol Propanediol Glycerin Ethoxydiglycol Sodium Hydroxide PPG-26-Buteth-26 PEG-40 Hydrogenated Castor Oil Bisabolol Sodium Phytate Decylene Glycol Tocopherol 1,2-Hexanediol Sphingomonas Ferment Extract Phenoxyethanol Water, Ascorbic Acid, Dipropylene Glycol, Propanediol, Glycerin, Ethoxydiglycol, Sodium Hydroxide, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Bisabolol, Ferulic Acid, Sodium Phytate, Decylene Glycol, Tocopherol, 1,2-Hexanediol, Sphingomonas Ferment Extract, Phenoxyethanol These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Ferulic Acid is a plant based antioxidant that can be naturally found in the cell walls of grains like rice, oats, and corn. It has antioxidant and antimicrobial properties, and has the ability to boost the performance of other antioxidants as well. A well-known study found that adding Ferulic Acid to a solution of Vitamins C and E doubled the photoprotection of skin. This is why you'll often see it paired with Vitamin C or Vitamin E serums rather than sold on its own. A 2025 review of 18 human studies found that using Ferulic Acid (0.5-1%) daily for one to three months showed improvements in: As far as allergies go, Ferulic acid is generally well-tolerated but can cause an allergic reaction in very rare cases. It's also worth noting that Ferulic acid is often extracted from plant sources like rice bran or wheat bran, so be sure to path test if you have known grain allergies. Outside of skincare, researchers are also looking into Ferulic Acid for its potential benefits in areas like diabetes, Alzheimer's, and heart health. Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product. So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation. You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!