Lincoln's Fly Stoppa is a high-performance dual-action fly repellent with the additional antibacterial benefits of natural tea tree oil. This water-based spray contains skin conditioning glycerine and is effective for 12 hours under normal conditions. It's a great choice for your tack box, offering long-lasting and effective protection with skin conditioners for a shiny coat. The formulation contains N,N Diethyl-m-toluamide (DEET) 10.0% w/w, p-menthane-3,8-diol 0.8% w/w, Tea Tree Oil, and Glycerine. Available in a 500ml Spray container. It's designed to give long-lasting, powerful protection against flies and other biting insects, with added ingredients formulated to nourish, protect, and soothe the skin. Effective against flies and other biting insects, offering up to 12 hours of protection. The formulation combines DEET with PMD, contains Glycerine to moisturise and condition the skin, and Tea Tree oil to soothe the skin. The composition is: Diethyl m Toluamide (DEET) 10.0%, P Methane 3,8Diol 0.8%, Tea Tree Oil 0.9%.