If you're ready to add kojic acid to your skin-care routine, we suggest starting with a kojic acid soap because it's less intense. And lucky for you, we have the 10 best kojic acid soaps for every ...

Formulation: Kojic Acid is usually found in serums, while Vitamin C is primarily available in serum form and is sensitive to light and air. Reactivity: There’s a higher chance of skin reactions ...

In addition to kojic acid, there's a double dose of skin brighteners — vitamin C and ferulic acid — to reduce hyperpigmentation. These antioxidant-rich ingredients also minimize free radical ...

This vitamin C serum contains a whopping 20 percent concentration of ascorbyl tetraisopalmitate, a stabilized and effective form of vitamin C. “The ferulic acid and vitamin E in the treatment ...

Similarly, Drunk Elephant's C-Firma Fresh Serum combines vitamin C, E, and ferulic acid. It's super effective—in clinical trials, 100 percent of the participants showed improvement in skin tone ...

Vitamin C and E Ferulic Acid Serum. Vitamin C and E Ferulic Acid Serum $26.95 at Timeless Skin Care. Product Specs. Size: 1, 1.7 and 4 oz. options | Other key ingredients: Vitamin C.

As for vitamin C, this serum has 15 percent vitamin C, plus kojic acid, bearberry, alpha arbutin, and apple enzymes, all of which play a role in decreasing discoloration.

After cleansing your face, start by applying your vitamin C serum, which helps protect against environmental damage ...

Other forms of vitamin C—such as ethyl ascorbic acid, found in the Olay Vitamin C + Peptide 24 Brightening Serum featured in our guide—are more stable and may require less-meticulous care than ...