patchouli for acne dermatitis and eczema add a few drops to a carrier oil or lotion and apply directly to affected area patchouli can be used as a deodorant or antiperspirant by adding 2 3 drops to a carrier oil and dabbing your underarms diffuse patchouli essential oil into the air to help alleviate anxiety for athletes foot or fungal infection add a few drops to a carrier oil and apply to infected area