Pestshield roll on repellent contains the active ingredient Eucalyptus Citriodora Hydrated which strongly helps repel mosquitos, insects and biting bugs. Pestshield Roll On Repellent is a great way to keep yourself and family protected from nasty bites; mosquito and Insect repellent is proven to affect an insects senses such as smell and taste, preventing the chance of bites which cause rashes and itches. Pestshield Roll On Repellent has a long lasting effect; up to 4 hours of protection which is perfect to protect the whole family on trips and holidays; reapply every 3-4 hours for protection all day long. Apply as necessary to exposed areas of skin; when applying to face take care to avoid eyes and mouth; length of effectiveness varies depending on things such as activity and level of perspiration. For best results apply and allow to dry before applying sunscreen; renew application every 3-4 hours or as necessary, and after swimming.