For a vitamin C serum to be effective ... free-radical neutralizing form once you apply it, says Shah) after cleansing and before moisturizer and SPF, according to the brand.

However, if you have dry skin, be prepared to really layer on your richest creams after using this serum. Before testing 44 popular, top-rated vitamin C serums for three months, we researched ...

Applied every morning after cleansing and before moisturising, each vitamin C serum was tested on its ease of use, scent, feel, price point and, ultimately, the result seen on the skin.

When consumed in food or drink form, vitamin C can protect ... oxidizing before it can reach your skin. Lindsay Schneider, NBC Select commerce editor, says that when using this serum, she ...

After using the Skinceuticals C E Ferulic serum every morning for over four ... It’s an especially good choice if you’ve tried vitamin C serums before to no avail, as it uses a derivative ...

According to our price trackers, it'll be another six months before ... and wrinkles. Vitamin C serums are typically formulated to go after those problems, but Vibriance Super C Serum goes a ...