Dr. berrio’s vitamin C serum contains the most potent and stable form of vitamin C that is sodium ascorbyl phosphate (SAP). It rejuvenates and protects your skin. This Vitamin C Serum is designed to boost collagen production and fight free radicals. This antioxidant-rich serum brightens dull skin, fades dark spots, and reduces the appearance of fine lines, providing a youthful, radiant glow. Ideal for all skin types, it hydrates and smooths while protecting your skin from environmental stressors.