The Balea Beauty Effect 5-fold Hyaluron Serum has been proven to improve the complexion of the skin. Signs of skin aging are reduced. The hyaluronic acid contained in the formulation helps to plump up your skin as a natural moisturizing factor and thus gives it a smoother appearance. 5 types of hyaluron can act in up to 5 different skin depths due to their different molecular weights. In this way, the hyaluronic acid balance can be positively influenced in several layers of the skin.