Lifesystems Expedition Sensitive DEET-Free Mosquito Repellent 50ml is an effective mosquito repellent that contains Saltidinan, an active ingredient which is scientifically proven to effectively repel mosquitoes, midges and ticks. Provides protection for 6 hours with each application. Suitable for children 2 years and over. Compact 50ml spray for easy storage DEET-free effective repellent for mosuitoes, midges and ticks Suitable for kids two years+ Provides protection for 6 hours with each application.