You can also look at C15 Super Booster as a 56% discount to SkinCeuticals C E Ferulic!įor comparison’s sake, let’s look at similar products that use L-Ascorbic Acid: However, you pay $49 for a 0.67 oz bottle which is reasonably accessible for most people. In fact, when we compare the ingredient lists, they are almost identical! This chart below shows them side-by-side (yellow: active ingredients, green: shared ingredients).Īt $73 per oz, Paula's Choice C15 Super Booster ranks in the upper range of affordability. In addition, Vitamin E works synergistically with Vitamin C, where the latter can "recycle" the former's antioxidant power when it becomes depleted (source: UV Photoprotection by Combination Topical Antioxidants Vitamin C and Vitamin E, 2003).įinally, Ferulic Acid rounds out the trio by improving the stability of Vitamin C and Vitamin E (which increases the shelf life) and doubling the level of photoprotection to help prevent sun damage, dark spots, and even skin cancer (source: Ferulic Acid Stabilizes a Solution of Vitamins C and E and Doubles its Photoprotection of Skin, 2005).Ĭompared to the original SkinCeuticals C E Ferulic, Paula's Choice C15 Super Booster is a close dupe with all the right ingredients (but undisclosed % of Vitamin E and Ferulic Acid) plus a blend of hydrating ingredients like Hyaluronic Acid, Glycerin, and Panthenol. (source: Stability, Transdermal Penetration, and Cutaneous Effects of Ascorbic Acid and its Derivatives, 2012)
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