Nitcomb-M2 The Nitcomb-M2 has been developed by pharmacists to remove head lice, nits & eggs. It will glide through most types of hair without any problems. Extra space between the teeth leads to greater effectiveness when removing head lice & their eggs, it is also coloured for easy detection. The Nitcomb-M2 is made up of two rows of fine & extra fine round tipped metal teeth.