Dr. Shirazi recommends Drunk Elephant’s C-Firma Fresh Day Serum for all skin types. “[It] includes 15% L-ascorbic acid in a pH-balanced formula with pumpkin ferment extract and soothing ...

All of our experts recommend Skinceuticals CE Ferulic, a serum containing 15% L-ascorbic acid. It’s often referred ... According to the brand, however, the formula should remain stable and ...

“Vitamin C – otherwise known as L-ascorbic acid – is notoriously unstable, so creating a formula that stabilises ... you can release it into the serum, give it a shake and it’s ready ...

I think we can all agree that Hailey Bieber's glowing, clear complexion is the stuff of legends. Look up "glass skin" in a ...

Vitamin C often comes in lightweight serum form ... C Complex keeps it simple in terms of formulation, setting a stable form of l-ascorbic acid (vitamin C) alongside hydrating hyaluronic acid ...

It's a favorite of Russo's, and contains l-ascorbic acid (one of the most ... comes in handy when shopping for a formula. Not only is it important to use a serum with active ingredients that ...

Along with five well-studied peptide technologies, the formula also contains hyaluronic acid, which plumps and hydrates the skin. The result is an advanced serum that targets multiple signs of ...