100% natural. The best way to protect your animals against tick-borne diseases is to avoid tick bites. Deters ticks from attaching themselves to the animal and can also be sprayed directly on to ticks to release them naturally and painlessly from animals. With anti-fungal properties it is gentle on the skin and is suitable for use in organic farming systems. Tick Control is free from all current prohibited substances under FEI and HRA rules. HSE 8713.