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

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 ...

This multitasking, versatile ingredient comes in various forms, including creams, masks and more. But the most popular vehicle for this effective skin care ingredient is a vitamin C serum. Serums are ...

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

L-ascorbic acid is the most effective and widely used form ... What is the best vitamin C serum for oily skin? If you have oily skin, you’ll want to look for a vitamin C serum that is ...

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

Vitamin C serum has become a must-have in many people's skincare routines, thanks to its scientifically proven benefits. As a powerful antioxidant, it has gained popularity for its ability to brighten ...

Another said, “Soaks into the skin perfectly with a pleasant smell.” I’ve lost count of how many times I’ve repurchased this vitamin C serum – it has to be one of my most-bought beauty ...

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

What is the most effective form of vitamin C for facial ... Can vitamin C serum be used on sensitive or acne-prone skin? Yes, vitamin C serum can be used on sensitive or acne-prone skin.

it was her high-potency vitamin C serum that worsened her symptoms most saliently. Technically an acid, vitamin C can irritate sensitive (and sensitized) skin, particularly at high concentrations.

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 ...