AlfaSilver Spray - 70ml can Not all first aid wound treatments are suitable for every type of injury. It may not stay in place, it may fall off in the shower, or be difficult to use on injuries in hard to reach places. Alfasilver Spray is a new wound treatment that contains antibacterial silver ions, which speeds up the healing of cuts, grazes, minor burns and blisters. The wound is covered with a breathable barrie, which protects the injury and promotes the body’s own healing process. Alfa also contains silver ions, which are well-known for their antibacterial properties. This helps protect against infection.