Natural botanical fly repellent that utilizes 4 botanical oils found in nature. Can be used around the barn on tack, blankets and more to keep bugs out. Barn Barrier is non-toxic and environmentally friendly. Non-irritating pH balanced formula is safe for all horses, including foals. EQyss formula is non-slippery which makes it great for riding horses. Works on horn, face, stable and house flies. Free of citronella so it has a clean fresh scent.