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

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

Dr. Shirazi specifically recommends this serum for oily, sensitive skin. “It’s formulated with a 20% vitamin C complex—L-ascorbic acid and tetrahexyldecyl ascorbate—that visibly reduces wrinkles, ...

But vitamin ... C derivatives is similar to retinols and retinoids: Both work, but one is more concentrated and thus more effective. One of the most popular derivatives is tetrahexyldecyl ...

Our ecommerce editor swapped out her skincare in favour of an all Medik8 routine 3 months ago, here are her results.

The catchily named, tetrahexyldecyl ascorbate (THD) is the vitamin C of choice for this serum, meaning it’s gentler on the skin, easier to store and more stable in formulation. While squalane ...

The Lupure Vitamin C Serum with Hyaluronic Acid is a great ... ascorbyl palmitate, and tetrahexyldecyl ascorbate. L-ascorbic acid is the most effective and widely used form, but it can be unstable ...

Protecting skin from photoaging and photocarcinogenesis requires not only sunscreen but also use of topical antioxidants, ...

A vitamin C serum is an essential product to have in your skincare arsenal, and we found one for 50% off on Amazon.

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