This potent super serum is designed for vitamin C enthusiasts and contains 12.5% vitamin C. Vitamin C is an antioxidant that supports skin regeneration and contributes to its radiance. This super serum promotes a smooth and glowing skin texture. Directions for use: Apply to the face in the evening for optimal results. Caution: Discontinue use if redness or irritation occurs. Avoid contact with eyes. For external use only. Vegan. Not tested on animals.