8 hours against biting insectsDirections for use: 1. Hold spray bottle 6-8 inches (15-30cm) away from exposed skin. Mist in a slow sweeping motion. No need to shake, wipe or let it set - it works immediately. 2. For the face, spray on hands and then apply on the forehead and cheeks. It is recommended to apply sunscreen first before applying PARA'KITO Bug Repellent Spray. Reapply every 8 hours or after vigorous activity, toweling or more frequently to improve your protection level. For additional mosquito protection, PARA'KITO Insect Repellent Spray may be combined with PARA'KITO portable diffusion devices such as our refillable wristbands and clips.