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

With 15 per cent vitamin C – stemming from 3-O-ethyl ascorbic acid – and five per cent polyhydroxy acids (PHA’s) stemming from fruit acids, this serum works to instantly brighten and boost skin for a ...

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

As someone who tests beauty products for a living, I think it takes a really good product to stand out. That said, there’s a ...

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

When it comes to achieving bright, glowing skin, a vitamin C serum is key. But not all vitamin C serums are created equal—and ...

While TruSkin Vitamin C Facial Serum ( $49 $18) is already deeply discounted on Amazon today, Page Six readers can save even ...

Chilly midwest air (plus our mom’s penchant for revving the thermostat) certainly did my sister’s skin no favors; yet it was her high-potency vitamin C serum that worsened her symptoms most ...

More than 5,600 Amazon shoppers have given Bliss Bright Idea Vitamin C + Tri-Peptide Facial Serum a five-star rating, with many highlighting the pleasant scent and texture of the serum as well as the ...

When Bethenny Frankel recommends a skincare product, people listen. The sassy former RHONY star (that's Real Housewives of New York City, for the uninitiated) has become a bit of a beauty maven in ...