Request your FREE Hartz True Coat Dog Shampoo. Hartz True Coat dog shampoo was developed based on the needs of a dog’s unique coat type. Available in 3 different shampoos that are tailored for your dog’s specific coat: Thick Coat, Short & Smooth Coat, and Curly or Wavy Coat. Made with naturally derived ingredients – coconut oil and oat milk. If you want to get this freebie, click on the “Get FREE” button and fill out the form. US only. Available while supplies last!