These Top-Rated Vitamin-C Serums Will Have You Looking on the Bright Side of Dull Skin

With a staggering 264,000 loves from other shoppers, this Drunk Elephant C-Firma Fresh Day Serum ($78) packs a popular punch of 15 percent l-ascorbic acid inside and exfoliating pomegranate and pumpkin, too. And, if you've ever had a vitamin C serum spoil on you (especially when you don't know long it's been sitting on the shelf), this one is designed to be mixed by you at home to maximize its potency and keep things fresh.