Essential Oil Market [By Product Type (Lemon, Lime, Orange, Corn Mint, Eucalyptus, Peppermint, Citronella, Clove Leaf, Others); By Distribution Channel (Offline Stores, Online Platforms); By Application (Healthcare and Pharmaceutical, Cleaning, Food and Beverages, Spa and Wellness, Others); By Region]: Market Size & Forecast, 2018 – 2026