Infused with Vitamin C and Hyaluronic Acid, this serum helps boost skin's natural radiance skin and brightens complexion for glowing skin. The Believe Beauty Skin Vitamin C Serum is a lightweight serum that is suitable for everyday use. Directions: Apply after washing and toning face. Apply 2-3 drops in the morning to help prevent damage from environmental stressors. Suitable for use in the AM and PM alone for in combination with other serums followed by moisturizer.