SNS-217C™ Concentrate Spider Mite Control is made up of 100% pure Rosemary botanical extracts. The botanicals are all food grade GRAS (generally recognized as safe) materials. SNS-217™ Spider Mite Control is exempt from EPA registration under minimum risk pesticides exempted under FIFRA section 25(b).In a sprayer shake well, adjust spray nozzle setting. Spray directly onto insects and infected areas until thoroughly covered. Spray as needed when insects are seen, most effective when used on a 7-14 day schedule. Spray to run off. Complete coverage of all plant tissue is necessary for control. Because it is made from natural ingredients you should shake the bottle before using and once in a while during use. Thoroughly wash all food areas and food materials contacted with soap and water. Do not spray near heat or open flame. As with any natural oil based product you should take care of using this product under direct sunlight or grow lamps this could damage the plant.