This serum offers a smooth, plump, radiant glow to the skin. PDRN and Niacinamide revitalize and balance skin tone for a radiant glow. High-purity Collagen smooths skin texture and delivers a supple, bouncy look. Bubble formula offers quick absorption into pores, melts without stickiness, and a lightweight formula yet effective effect. How to use: Shake well before use, and apply an appropriate amount evenly over the face after toning.