Glo-Marr Products' Barktini Blends pet shampoos come in four fragrances derived from plant extracts, according to the company: Cosmopolitan Canine, Daquiri Dog, Margarita Mutt and Pina Colada Pooch. The all-natural, soap- and detergent-free shampoos are also 100-percent biodegradable; nontoxic to humans, animals and the environment; and come in recyclable package components, the company reports. The shampoos are available in 17-oz. and 1-gal. bottles.