Global Essential Oils Market Size, Share & Demand Report By Product Type (Citrus Oils, Floral Oils, Mint & Herb Oils, Eucalyptus & Camphor Oils, Specialty & Exotic Oils), By Application (Aromatherapy & Wellness, Personal Care & Cosmetics, Food & Beverages, Pharmaceuticals, Household Products), By Distribution Channel (E-Commerce, Direct-to-Consumer, Specialty Retail, Institutional Supply), By Region & Segment Forecasts, 2026–2031