Posh & Co. launches Olive Bath olive oil dog shampoo. The affordable, luxurious line features five varieties: Eucalyptus, Tea Tree, Tangerine, Lavender and Lemon Lavender. The shampoos are made without harsh detergents, chemicals, artificial coloring and toxins, the company reports. Ingredients include 100 percent consumption-grade olive oil, Mediterranean Sea salt and essential oils from all over the world, according to the company. The shampoos are bottled in 16-oz. and 1-gal. sizes.