1 to 5 parts by {TAIL ~ weight} of a polydiorganosiloxane polyoxyalkylene copolymer containing at least one polydiorganosiloxane segment and {HEAD ~ at least one polyoxyalkylene segment}, said polydiorganosiloxane segment consisting essentially of 
1 to 5 parts by { TAIL ~ weight } of a polydiorganosiloxane polyoxyalkylene copolymer containing at least one polydiorganosiloxane segment and { HEAD ~ at least one polyoxyalkylene segment } , said polydiorganosiloxane segment consisting essentially of
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH