According to our experts, the vitamin C type will also determine its effectiveness. Pure vitamin C, known as L ascorbic acid, ...

Why We Love It: This vitamin C serum did more than brighten ... end it with brighter skin and fewer signs of aging. This Paula’s Choice serum delivered on both fronts. With continued use ...

You’re likely already familiar with the benefits retinol creams and serums—but did you know that this powerhouse ingredient ...

When consumed in food or drink form, vitamin C can protect your entire body’s cells from damage; when applied topically, research shows it can help prevent signs of aging, hyperpigmentation and ...

But vitamin C is one of those actually necessary ingredients. The antioxidant promises to do everything from fading dark marks to fighting free radicals (which break down collagen) to diminishing ...

Their budget-friendly 10% Azelaic Acid serum also contains niacinamide, vitamin C and coffee seed extract. This plumping peptide lip gloss/balm is a new Paula’s Choice product. It’s made with ...