Disclosed is a method of increasing firmness or elasticity or reducing the appearance of sagginess in the periorbital area of a person’s skin, comprising topically applying to the skin in need thereof a composition comprising magnolia extract and citrus grandis extract. Reduced test clock rate of input and output circuits of the scan chains is accommodated by high speed source and sink shift registers. The attachment surface is intended to face the bottom face of the cleaning head. A bandwidth control processor determines bandwidth request type and priority of the received bandwidth requests and places the bandwidth requests in the appropriate global queues based upon the determined bandwidth request type and priority.