About: http://webisa.webdatacommons.org/197762927

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Oils and other impurities may be removed which may still clog the pores but which have been softened by the "steaming treatment by use, for example, of witch hazel.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com