Serum Duo combines hydrating and brightening serums for a complete skincare routine. This set includes PDRN + Hyaluronic Acid Serum (95% natural ingredients) for deep hydration and skin renewal, paired with Vitamin C + Ferulic Acid Serum (95% natural ingredients) for brightening and radiance. Layer both serums to deliver comprehensive benefits—hydrate, brighten, firm, and rejuvenate—for a more luminous, healthy-looking complexion