Animology Hair of the Dog Anti-Tangle Dog Shampoo. The Animology Hair of the Dog Anti-Tangle Dog Shampoo is a mild yet deep cleansing shampoo perfect for tackling knots and tangles to leave the coat healthy, smooth and smelling fresh. Infused with Animology\\\'s signature scent the Hair of the Dog Anti-Tangle Dog Shampoo offers improvements in the health, strength and condition of the coat containing pro- vitamin B5 and built-in conditioners. The Animology Hair of the Dog Anti-Tangle Dog Shampoo removes odour and dirt without stripping your pets coat of its essential oils and keeps washing time to a minimum with its easy rinse technology. The Animology Hair of the Dog Anti-Tangle Dog Shampoo can be used with Animology Knot Sure Spray for long term, knot free results.