15 Amazon Vitamin C Serums That'll Brighten Your Skin in No Time

Paula's Choice Boost C15 Super Booster ($55)

This serum can be used on its own or with a few drops of your moisturizer or other serums as well. It contains 15 percent pure vitamin C, ferulic acid, and vitamin E. This will help fade dark spots, even out skin tone, and brighten up your complexion. "Will never be without this! Cycling this in the morning (plus an SPF) with their BHA solution and my retinol at night has made my skin aging issues reverse. Fixed my sun damage, makes it rare for me to break out and it is so smooth!" one reviewer writes.