When a product is as expensive as SkinCeuticals Vitamin C serum, there are always going to be duplicates waiting in the wings, waiting for you to try them. The tricky thing is finding out which dupe is actually worth your money—the last thing you want to do is spend money on a bunch of duplicates that don’t work. You might even end up spending as much as the real thing would have cost in the first place.

The holy grail of vitamin C serums has to be SkinCeuticals C E Ferulic—but it comes at a crazy high price point. Many companies make similar products because SkinCeuticals is kind enough to spell out the key aspects of its patented formula: 15% vitamin C (in the form of L-Ascorbic acid), 1% vitamin E (in the form of alpha tocopherol), and 0.5% ferulic acid. SkinCeuticals’s serum includes this specific combination of active ingredients because research has shown that these ingredients make…

Ahhh, disappointing skincare products. We all come across them from time to time. When you realize that a product just isn’t doing anything for you, do you just stop using it? Or do you force yourself to use up the rest of the bottle, as long as it isn’t negatively impacting your skin? I usually try to stick it out for a while, just so I feel like I’m not wasting it. My latest disappointing skincare experience was this [Bliss Triple Oxygen Radiant Protecting Energizing Serum](.…