A teat rubber for use on a milking cup of a milking apparatus, comprising a head part having provided thereon a sealing lip that forms an insertion opening for a teat, a holding edge for grasping a milking cup sleeve, a suction connecting piece connected to the head part as well as a planar teat bearing section which is formed on the sealing lip provided on the head part and which defines the insertion opening, characterized in that the teat rubber comprises an adhesion element that improves the adhesion between the teat and the teat rubber without affecting the milking process.