A dosing cap is configured for fitting on a dosing bottle and has a dosing channel which extends in a longitudinal direction and which has, at one end, an outlet opening for a liquid that is to be dosed. The dosing channel contains a first dosing portion, which tapers in the longitudinal direction to a dosing diameter, wherein the dosing diameter is in the range from 0.2 mm to 1.2 mm. Moreover, the dosing channel contains a second dosing portion, which adjoins the first dosing portion in the longitudinal direction to form a first step and which has a diameter greater than the dosing diameter.