S-DNA is a product based on polyribonucleotides for skin rejuvenation and regeneration. The main component of the solution is deoxyribonucleotides that have natural origin. For that reason, the product is quite biocompatible and easily metabolized in epidermis. The product action is realized in two main directions: via enhanced synthesis of own cellular DNA and by improved tissue reparation. As a result, the product exhibits complex anti-inflammatory action, provides improvement of blood microcirculation and stimulates division of fibroblasts, osteoblasts and chondrocytes. This is forwarded by re-enforcement of skin barrier, synthesis of optimal amount of collagen for elasticity improvement as well as restoration of natural radiance and skin youth. The product might be introduced not only to face skin but also to the neck and back of the hand areas.