Nature Fly Control is a natural insect repellent, made of a 100% natural active ingredient from lemon eucalyptus coupled with an encapsulating technology that allows the product to last longer: proven effectiveness of 8 hours against flies, mosquitos, fleas and culicoids. Instruction for use: Spray at a distance of 50cm from the skin on the whole horse body (100-125 ml). Avoid eye and lip mucosa contact. The product can be applied using a sponge or a brush.