Even more impressively, vitamin C helps prevent free radical damage, acting as a chemical shield that protects your skin ... But what really sets this formula apart is that the new and improved ...

“Vitamin C, scientifically known as ascorbic acid, is a six-carbon lactone molecule with the chemical formula C6H8O6. Ascorbic acid is freely soluble in water, and forms a clear, colourless-to ...

But vitamin ... formula will darken in color. To prevent this, our experts recommend keeping it away from sunlight and storing it somewhere dark, along with closing the bottle tightly ...

it’s ideal to pick a formula that caters to your skin type, whether you have dry, oily, combination or sensitive skin. Below, see our picks for the best vitamin C serums that leave skin glowy ...