Peppermint oil for cough. I skeptical of essential oils in general, but my wife is not. Daughter(16) up half the night with a bad cough, wife put a little oil

Peppermint oil for cough. I skeptical of essential oils in general, but my wife is not. Daughter(16) up half the night with a bad cough, wife put a little oil on upper lip. She immediately stopped coughing and went to sleep.