Equiderma™ Neem & Aloe Horse Spray for Horse & Rider An all-natural, eco-safe formula backed by the power of neem leaf and oil, aloe gel, citronella, eucalyptus, tea tree, lemongrass, lemon peel, and lavender. that smells great and will never leave a greasy, oily residue. Use it with confidence to protect yourself, your horse and all your barnyard animals. Our formula not only provides great protection against biting insects but the essential oils are also great for protecting the skin from fungal and bacterial skin issues.