Shake well before use, add to 1.5 liters of water and apply using a sprayer directly to the stem and leaves. In the evening hours, without sunlight, once a week. For natural pest control, it is preferable to first wipe the leaves with a damp cloth or sponge and wring out excess water, then apply the product once a day for two (2) days in a row. Repeat the application weekly until the pest disappears.