CryoDerm (formerly known as Dermafreeze) is available as a kit or by individual components. The benefit of this is that instead of replacing the whole kit when one item is expired you can just replenish the missing part. This makes the kit a far more cost effective solution compared to the well known brand varieties. In addition the Cryofunnel, which users nd to be very effective is a unique feature of the Cryoderm accessories. Caution! The use of this medical device will cause pain, permanent and irreversible damage to normal and abnormal cells. For external use ONLY.