Carnation Hydro blister plasters for hydrocolloid blister treatment This special blister plaster was developed to create optimal conditions for healing. Its clear and discreet design not only ensures that blisters heal quickly, but also relieves the discomfort caused by friction. The plaster is washable and offers reliable protection against dirt and bacteria. For these reasons, it is particularly recommended for use on blisters. For people with diabetes or circulatory problems, it is advisable to seek professional advice before use.