The unique complex of active ingredients smoothes, firms and nourishes the skin and helps to achieve healthier overall skin appearance. For a top anti-aging effect! In the middle layers of the skin, the structural protein collagen is largely responsible for the elasticity and firmness of the skin. However, the body's own collagen production decreases from the age of 25. The BeLetnea amino serum made from various high-quality amino acids — matrixyl and peptides — supports the formation of the body's own collagen and promotes the skin's natural repair mechanisms.