FABY Double - two functions, two effects. A multipurpose product that helps you save time. It is an “all in one " base coat & top coat product that makes your nails look natural, clean and healthy. For best results as base coat apply a layer of product to clean nails before applying the FABY nail lacquer. As top coat apply a layer onto dried polish. To boost brightness and make polish last longer, apply the product again between manicures.