The carrier 1, wherein {TAIL ~ the average particle size} of said hydrophilic silica is within {HEAD ~ the range} of 5 to 50 nm in terms of a primary number average particle size 
The carrier 1 , wherein { TAIL ~ the average particle size } of said hydrophilic silica is within { HEAD ~ the range } of 5 to 50 nm in terms of a primary number average particle size
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH