Self-lighting device for a cigarette

A self-lighting device for a cigarette comprising:

• a primary chemical material to be placed at an end to be lit of the cigarette,
• a secondary chemical material that is incompatible with the primary material, said primary and secondary materials being capable of igniting when they are in contact with each other, said secondary material being arranged in a receptacle configured to fit over the end to be lit of the cigarette and bring into contact said secondary material with said primary material, said receptacle being closed at one of its ends,
• the receptacle comprises a fastening zone having the shape of a cylindrical portion configured to fit over the end to be lit of a cigarette,
• wherein a seal forms the bottom of the fastening zone, with the secondary material being arranged between said seal and the closed end of the receptacle, said seal being provided with a cannula directed towards said fastening zone, and configured so that said secondary material can flow outside of said cannula when a pressure is exerted on said receptacle.