9. Citronella Essential Oil for Flea Manage in HomeCitronella oil continues to be used traditionally to be a natural flea repellent. It is just a unstable oil derived from stem in the plant Cymbopogon nardus (Ceylon citronella) or Cymbopogon winteratus (Java kind citronella) along with greenish blue lemon scented leaves. It's a safe oil for use not… Read More