Discover complementary antioxidant care with the SkinCeuticals C E Ferulic & Resveratrol B E Sample Duo. C E Ferulic is a daytime vitamin C serum that helps defend against environmental damage while improving the appearance of fine lines, wrinkles, and uneven skin tone. Resveratrol B E is a nighttime antioxidant concentrate that helps improve the look of firmness, radiance, and smoothness. This sample duo offers an introduction to two targeted formulas for a brighter, healthier-looking complexion.