Diffuser: Lavender 4 · Orange 4 · Patchouli 1 drops per 100 mL water. Evenings, 30–60 minutes. In the bath: Lavender 3 · Orange 3 · Patchouli 1, mixed into 1 tbsp carrier oil or full-fat milk first. Best for: the end of a hard day, busy weeks, winding down before the evening. Caution: never add oils to bath water without mixing them into a carrier first.