Wire wool and Dettol, pressure washer on ‘Warm’.
Combine it with carwash days, but leave out the wire wool and Dettol for the car, substitute with sponge and wash’n’wax.
Do it on the drive and horrify the neighbours, a line of realistic-looking dolls being scrubbed, should get the curtains twitching.
When the Thought Police arrive at your door, think -
I'm out.