Use Beginning to End when you have no time to fuss with lots of different products or when you want to care for your nails in one go with protective finish that lasts up to 10 days. As a base coast it can be applied before nail lacquer to prevent staining and to strengthen the natural nails. As a top coat it dries quickly to give a high glass shine. As a nail strengthener it helps to bond nail protein fibres, a process which hardens nails and prevents moisture loss.