Ark Naturals Neem "Protect" Spray (64 fl oz) is environmentally friendly, gentle and a non-drying formula for pets including: dogs, cats and horses. It’s perfect for animals with skin and coat issues including insect bites and skin and coat irritation. The active ingredients in our spray are Neem and citronella. Neem is a tree native to the Indian subcontinent. Neem has been used for thousands of years by the people of India, Southeast Asia and Africa. In the natural product world, it has many uses.