An automated sprayer for spraying the walls of a shower enclosure with a liquid cleanser dispenses the cleanser using a pump and rotatable spray head. A motor drives the pump and rotates the spray head. The sprayer has a showerhead mountable housing with a hanger. The housing supports a bottle of cleanser...http://www.google.com/patents/US7021494?utm_source=gb-gplus-sharePatent US7021494 - Automated cleansing sprayer having separate cleanser and air vent paths from bottle