Before first use of the dispenser, the pouch contains only intact fragrance microcapsules: it is only on first use that the pouch is inflated by causing the outside air to enter into {HEAD ~ the pouch} for {TAIL ~ the first time} 
for
Before first use of the dispenser , the pouch contains only intact fragrance microcapsules : it is only on first use that the pouch is inflated by causing the outside air to enter into { HEAD ~ the pouch } for { TAIL ~ the first time }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL