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