LifeSystems Insect Repellent - Expedition Sensitive Spray contains the active ingredient Saltidin which is proven to repel mosquitoes, midges, horseflies, sand flies, gnats and ticks. The 20% Saltidin based formulation offers medium-high level protection against biting insects for up to 8 hours, and is more suited for sensitive skin than DEET-based repellents. This DEET free insect repellent contains the active ingredient Saltidin which is proven to repel mosquitoes, midges, horseflies, sand flies, gnats and ticks. The 20% Saltidin based formulation offers medium-high level protection against biting insects for up to 8 hours. It is more suited for sensitive skin than DEET based repellents and is also suitable for use on children over 2 years of age. Contains 20% Saltidin - medium-high level protection. DEET free formula offers up to 8 hours protection. Durable aluminium bottle with pump-spray top. Suitable for children over 2 years. The repellent will last 24 months from when it is first opened. Weight: 132g. Volume: 100ml. Dimensions (packed): 40 x 138mm.