grieving daughter has come up with an unusual way to keep the memory of loved ones alive - by bottling their scent .
seven years ago , katia apalategui 's mother coped with losing her husband by holding on to his pillowcase which his smell clung to .
this inspired the 52-year-old french insurance saleswoman to think of a more permanent way to capture a person 's individual scent in a bid to help others in mourning .