Natural firming serum Sireia, Bio Mer, 30 ml Biomer firming serum is formulated with fucus algae. The combination of regenerating and firming active ingredients such as sea fennel and marine hyaluronic acid helps restore skin elasticity, reducing the appearance of fine lines and wrinkles. A marine elixir that infuses the skin with energy. Active ingredients: Algae fucus, hyaluronic acid, sea fennel extract, grape seeds, aloe vera, gluconolactone, wheat oil, Senegal acacia, Melissa. • Marine Hyaluronic Acid is a unique combination of polysaccharides from the algae Macrocystis Pyryfera and low molecular weight hyaluronic acid, which acts as a cosmetic lift on the surface of the skin, improving firmness and elasticity in the deeper layers. • Gluconolactone, a powerful, lightweight exfoliant, renews the skin while hydrating it for a smoother, brighter texture. • Sea fennel, known as "blue retinol", is a powerful ally in the fight against wrinkles, offering a natural alternative that smooths and rejuvenates the skin without the irritation associated with traditional retinoids. Including a serum in your beauty routine is the key to solving specific skin problems, due to the high concentration of active ingredients that effectively penetrate the deepest layers of the skin. Its light texture allows for quick absorption, allowing essential nutrients to work faster and more efficiently.