{TAIL ~ A denture cleansing composition} comprising {HEAD ~ an effervescent agent} and as a bleaching agent a monoperphthalate or a potassium monopersulfate and a monoperphthalate 
{ TAIL ~ A denture cleansing composition } comprising { HEAD ~ an effervescent agent } and as a bleaching agent a monoperphthalate or a potassium monopersulfate and a monoperphthalate
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH