Thalgo Marine Serum helps to firm the skin and maintain its elasticity. It also helps to prevent the appearance of wrinkles and fine lines. This product not only helps to give a better appearance to the skin, but also acts at the cellular level on the spots and some details of pigmentation, which often occur by prolonged overexposure to the sun. As if that were not enough, it offers a significant improvement in the natural luminosity of the skin and helps repair the effects of poor hydration, so it offers a natural and more cared for appearance of the skin of the face and décolleté. All these benefits come from its main components, brown algae extract and natural brightening agents, which act at the cellular level.