The product takes its name from the filling mechanism of face depressions (wrinkles) thanks to the action of the main active ingredient: special hyaluronic acids in different forms for a different level of filling of expression lines, age wrinkles, microrelief and areas of the face subject to sagging (cheekbones, around the oval of the face, surface of the lips). the aim of Fillerina is to allow large quantities of hyaluronic acide to penetrate deep into the cutaneous tissues (ex-vivo tests). The hyaluronic acid, binding water, fills in the most visible, deepest and most widespread depressions (respectively, sagging, wrinkles and microrelief) and boosts the volume of cheekbones and lips.