Global Aromatherapy Market Size, Trends & Growth Opportunity, By Product Type (Consumables, Essential Oils, Singles: Herbaceous, Woody, Spicy, Floral, Citrus, Earthy, Camphoraceous, Others, Blends, Carrier Oils, Equipment: Ultrasonic, Nebulizing, Evaporative, Heat), By Application (Skin & Hair Care, Pain Management, Insomnia, Boosting Immunity, Scar Management, Others), By Mode of Delivery (Topica