Thousands of Amazon shoppers and a PEOPLE editor’s 56-year-old mom swear by the $35 Vichy Vitamin C Serum. This serum ...

From Maelove Glow Maker to SkinCeuticals C E Ferulic, these dermatologist-approved and reviewer-beloved serums can really ...

It helps protect delicate skin from the sun while battling fine lines and dark spots, fans say — wins all around.

C serums for glowy skin, tested by a beauty expert - We’ve answered your burning questions regarding vitamin C and have tried ...