Benefits: Rich in antioxidants, VC primer serum keeps skin feeling smooth and youthful. to even and brighten skin tone and significantly lessen the visibility of dark spots, while hyaluronic acid nourishes the skin and treats wrinkles, dehydration, and lines. Before applying makeup, use it as a hydra-blurring primer. How to Put Yourself Forward: As the final skincare step before putting on your foundation or makeup, apply a few drops to the middle of your face and massage outward. It works well as a primer and can be applied in layers as a spot treatment to areas of the skin with a lot of texture. Your skin will appear softer, brighter, and more blurred as a result.