The invention relates to a process of cleaning a substrate, the process comprising a first step of providing a cleaning solution and a hand-held implement, the process further comprising a second step of applying the solution onto the substrate with the implement, characterised in that the implement has an active part vibrating at a frequency of at least 20 kHz with an amplitude of at least 10 μm and up to 100 μm, and whereby the substrate is fibrous or a hard domestic surface.