For laryngitis and aphonia: on a neutral tablet place 2 drops of essential oil of lemon grass 3 times a day.

For headaches: On a neutral tablet, a drop of essential oil of lemon grass and one of essential oil of incense, to swallow 3 times a day.

For joint pain in adults: pour into 10 drops of calophyllum vegetable oil, 3 drops of lemon grass and 3 drops of wintergreen. then apply the mixture to painful joints morning and evening.