Harris Neem Oil is 100% Cold Pressed & Unrefined with absolutely no chemicals or additives included to ensure that the neem oil retains its original composition. Used in organic gardening to keep plants looking healthy. Biodegradable.Directions for Use: For People: Use as a topical treatment only. Apply directly to skin and hair or mix with lotions, creams, shampoos or other personal care products. Start with a few drops and increase as desired. For Plants: Mix 1 fluid ounce with 1 gallon of water and a mild amount of detergent or soap. Spray directly in the morning or evening when the sun has set. For Pets: Make a spray as directed above or mix with shampoo at a ratio of 1:20.