Aromatherapy Essential Oil Diffuser Humidifier plus NaturoBliss Peppermint Essential Oil has completely gotten rid of my post-nasal drip is caused me to cough incessantly at night. I had been suffering for years with this problem and this amazing oil diffuser and peppermint oil combo got rid of it in one day. #pepeprmintoil #postnasaldrip #oildiffuser #humidifier #essentialoildiffuser #pepermintessentialoil #oildiffuserhumidifier #LTKunder50