iS Clinical Poly-Vitamin SerumPoly Vitamin Serum is an intensive, revitalizing formula for all skin types. This formula ensures the delivery of a powerful combination of essential vitamins, bionutrients, and age defying antioxidants. This combination deeply hydrates, generating significant improvements in the appearance of texture, tone, and overall integrity of the skin. We recommend consulting with your physician before using this iS Clinical product if you are pregnant,