Product Details: Sweat-resistant formula that stays on and keeps working, even in wet conditions. The only fly spray with RepeLock, an exclusive conditioner that binds to the hair shaft, locking in Endure's fly repellency for up to 14 days. Protects against flies, gnats, mosquitoes, ticks and lice. Repels and kills deer ticks that may transmit Lyme Disease. Contains cypermethrin and pyrethrins. Also contains sunscreen to protect your horse's coat. Unique ready-to-use formula stays active even in wet conditions or when your horse sweats