DD Organic Neem Oil A Natural Garden Bug Spray for Plants & Horses - Insect Repellent & Bug Repellent for House, Skin Care, Hair Growht 500ML TRIGER Spray. Scent: Neem. Mane and Tail Detangler: DD Neem oil can be applied to the horse's mane and tail to help detangle and condition the hair, making grooming easier and reducing breakage.