productType , Description
Oven , Accurate Preheat, good start for the day
hairDryers , Comes with extended warranty , 50% off

"productType" , "Description"
"Oven" , "Accurate Preheat, good start for the day"
"hairDryers" , "Comes with extended warranty , 50% off"

sed -e 's/"//g' -e 's/^|$/"/g' -e 's/,/","/g' -e "s/"/"""/g" filename.csv

"productType","Description"
"Oven","Accurate Preheat"," good start for the day"
"hairDryers","Comes with extended warranty "," 50% off"