Health and Beauty Serums Q+A Brightening Serum with Vitamin C 30 ml Brighten and refresh your skin with this hydrating, antioxidant-rich hybrid serum. The unique formula is lightweight and fast-absorbing, yet still provides the hydration you'd expect from your favorite daily moisturizer. Our Vitamin C is encapsulated in a blend of Volcanic Soil and Hyaluronic Acid, ensuring it's super effective against dull, aging skin, from the first drop to the last. How to use Vitamin C Brightening Serum? Apply to clean skin before or instead of moisturizing, morning and night. This unique highly hydrating formula is a cross between a serum and moisturizer.