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