Readers—and Celebs—Are Obsessed With This Vitamin C Serum

On the list of skin-care ingredients that deliver visible results, vitamin C is always at the top for helping to usher in brighter, more radiant skin. But not all vitamin C products are on the same playing field. According to NewBeauty readers in a recent survey,* BeautyStat Universal C Skin Refiner ($62) is one that actually lives up to the hype.

One 54 year-old reader raved, “I like the texture and the results in my skin’s composition,” while another, 61, noted how the serum “makes my skin so soft, moisturized and bright.” That glow-up is thanks to the brand’s breakthrough formula, which features 20 percent pure L-ascorbic acid—vitamin C in its most potent form—stabilized by a proprietary delivery system that resists oxidation and keeps the formula fresh and effective.

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Aside from vitamin C, the serum also includes hyaluronic acid for hydration, ceramides for barrier support and a unique elastomer gel base that gives skin a velvety matte finish. It’s no wonder 94 percent of users saw a reduction in deep lines and wrinkles, and an impressive 100 percent reported more even tone and smaller pores.

Even celebrities are on board: Hailey Bieber calls it her “holy grail,” and Bethenny Frankel gave it a glowing shoutout on TikTok. If you’re looking for a vitamin C serum that delivers real results—brightening, smoothing, and firming—this one’s earned its spot at the top of the list.

*Source: BeautyEngine Advanced Research, 2025