Summary Discover an overnight dose of Vitamin C, with RoC's clinically proven Revive + Glow Night Serum Capsules to revitalize skin radiance while you sleep. Benefits Packed with 20% pure stabilized Vitamin C., Each capsule delivers a perfectly measured dose to improve skin's luminosity for a visibly younger-looking, more even complexion. In 4 weeks, 100% had visibly tighter, firmer skin. Features Dermatologist-tested. Paraben-free. Fragrance-free. Non-comedogenic. Clinical Results In 1 Night: Pure Vitamin C begins boosting brightness. In 4 Weeks: 97% had visibly improved radiance. 100% had visibly firmer skin. In 8 Weeks: Skin roughness was visibly decreased by 21%. 97% saw a visible reduction in lines & wrinkles. How To Use Gently twist to open the capsule. Smooth serum over cleansed face at night. Begin applying every other night and gradually increase frequency to every night. you may experience a slight tingling or tightness during use.